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GOVERNMENT OF INDIA
OFFICE OF DIRECTOR GENERAL OF CIVIL AVIATION
TECHNICAL CENTRE, OPP SAFDARJANG AIRPORT, NEW DELHI
CIVIL AVIATION REQUIREMENTS
SECTION 9 β AIRSPACE AND AIR
NAVIGATION SERVICES STANDARDS
SERIES 'G', PART I
Issue III, β¦ October 2024 EFFECTIVE: FORTHWITH
F. No. DGCA-21029/1/2017-ANS
Subject: Aeronautical Charts
INTRODUCTION
In pursuant to Article 28 of the Convention on International Civil Aviation each
contracting State undertakes to collaborate in international measures to secure the
publication of aeronautical maps and charts in accordance with standards which may
be recommended or established from time to time, pursuant to this convention.
International Civil Aviation Organization, under Article 37 adopts and amends from
time to time, as may be necessary, international standards and recommended
practices and procedures for Aeronautical Charts in Annex 4 to the Convention.
This CAR is issued under the provisions of Rule 29C and Rule 133A of the Aircraft
Rules, 1937, lays down the requirements for the publication of aeronautical charts in
order to meet aforesaid obligation.
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1. DEFINITIONS, APPLICABILITY AND AVAILABILITY
1.1 Definitions
When the following terms are used in this CAR, they have the following meanings:
Aerodrome. A defined area on land or water (including any buildings, installations
and equipment) intended to be used either wholly or in part for the arrival, departure
and surface movement of aircraft.
Aerodrome elevation. The elevation of the highest point of the landing area.
Aerodrome operating minima. The limits of usability of an aerodrome for:
a) take-off, expressed in terms of runway visual range and/or visibility and, if
necessary, cloud conditions;
b) landing in precision approach and landing operations, expressed in terms of
visibility and/or runway visual range and decision altitude/height (DA/H) as
appropriate to the category of the operation; and
c) landing in approach and landing operations with vertical guidance, expressed in
terms of visibility and/or runway visual range and decision altitude/height (DA/H);
and
d) landing in non-precision approach and landing operations, expressed in terms
of visibility and/or runway visual range, minimum descent altitude/height (MDA/H)
and, if necessary, cloud conditions.
Aerodrome reference point. The designated geographical location of an
aerodrome.
Aeronautical chart. A representation of a portion of the Earth, its culture and relief,
specifically designated to meet the requirements of air navigation.
Aircraft stand. A designated area on an apron intended to be used for parking an
aircraft.
Air defence identification zone. Special designated airspace of defined
dimensions within which aircraft are required to comply with special identification
and/or reporting procedures additional to those related to the provision of air traffic
services (ATS).
Air traffic service. A generic term meaning variously, flight information service,
alerting service, air traffic advisory service, air traffic control service (area control
service, approach control service or aerodrome control service).
Air transit route. A defined route for the air transiting of helicopters.
Airway. A control area or portion thereof established in the form of a corridor.
Altitude. The vertical distance of a level, a point or an object considered as a point,
measured from mean sea level (MSL).
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Application. Manipulation and processing of data in support of user requirements
(ISO19104*).
Apron. A defined area, on a land aerodrome, intended to accommodate aircraft for
purposes of loading or unloading passengers, mail or cargo, fuelling, parking or
maintenance.
Area minimum altitude (AMA). The minimum altitude to be used under
instrument meteorological conditions (IMC), that provides a minimum obstacle
clearance within a specified area, normally formed by parallels and meridians.
Area navigation (RNAV). A method of navigation which permits aircraft operation
on any desired flight path within the coverage of ground- or space- based
navigation aids or within the limits of the capability of self-contained aids, or a
combination of these.
Note. β Area navigation includes performance-based navigation as well as other
operations that do not meet the definition of performance-based navigation.
Arrival routes. Routes identified in an instrument approach procedure by which
aircraft may proceed from the en-route phase of flight to an initial approach fix.
ATS route. A specified route designed for channelling the flow of traffic as
necessary for the provision of air traffic services.
Note 1. β The term ATS route is used to mean variously, airway, advisory route,
controlled or uncontrolled route, arrival or departure route, etc.
Note 2.β An ATS route is defined by route specifications that include an ATS route
designator, the track to or from significant points (waypoints), distance between
significant points, reporting requirements and, as determined by the appropriate
ATS authority, the lowest safe altitude.
ATS surveillance system. A generic term meaning variously, ADS-B, PSR, SSR
or any comparable ground-based system that enables the identification of aircraft.
Note.β A comparable ground-based system is one that has been demonstrated,
by comparative assessment or other methodology, to have a level of safety and
performance equal to or better than monopulse SSR.
Bare Earth. Surface of the Earth including bodies of water and permanent ice and
snow, and excluding vegetation and man-made objects.
Calendar. Discrete temporal reference system that provides the basis for defining
temporal position to a resolution of one day (ISO 19108*).
Canopy. Bare Earth supplemented by vegetation height.
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Change-over point. The point at which an aircraft navigating on an ATS route
segment defined by reference to very high frequency omnidirectional radio ranges is
expected to transfer its primary navigational reference from the facility behind the
aircraft to the next facility ahead of the aircraft.
Note.β Change-over points are established to provide the optimum balance in
respect of signal strength and quality between facilities at all levels to be used and
to ensure a common source of azimuth guidance for all aircraft operating along the
same portion of a route segment.
Clearway. A defined rectangular area on the ground or water under the control of
the appropriate authority, selected or prepared as a suitable area over which an
aeroplane may make a portion of its initial climb to a specified height.
Contour line. A line on a map or chart connecting points of equal elevation.
Culture. All man-made features constructed on the surface of the Earth, such as
cities, railways and canals.
Cyclic redundancy check (CRC). A mathematical algorithm applied to the digital
expression of data that provides a level of assurance against loss or alteration of
data.
Danger area. An airspace of defined dimensions within which activities dangerous
to the flight of aircraft may exist at specified times.
Data product specification. Detailed description of a data set or data set series
together with additional information that will enable it to be created, supplied to and
used by another party (ISO 19131*).
Note. β A data product specification provides a description of the universe of
discourse and a specification for mapping the universe of discourse to a data set.
It may be used for production, sales, end-use or other purpose.
Data quality. A degree or level of confidence that the data provided meet the
requirements of the data user in terms of accuracy, resolution and integrity (or
equivalent assurance level), traceability, timeliness, completeness and format.
Data resolution. A number of units or digits to which a measured or calculated
value is expressed and used.
Data set. Identifiable collection of data (ISO 19101*).
Data set series. Collection of data sets sharing the same product specification
(ISO 19115*).
Datum. Any quantity or set of quantities that may serve as a reference or basis for
the calculation of other quantities (ISO 19104*).
Digital Elevation Model (DEM). The representation of terrain surface by
continuous elevation values at all intersections of a defined grid, referenced to
common datum.
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Note. β Digital Terrain Model (DTM) is sometimes referred to as DEM.
Displaced threshold. A threshold not located at the extremity of a runway.
Electronic aeronautical chart display. An electronic device by which flight crews
are enabled to execute, in a convenient and timely manner, route planning, route
monitoring and navigation by displaying required information.
Elevation. The vertical distance of a point or a level, on or affixed to the surface of
the earth, measured from mean sea level.
Ellipsoid height (Geodetic height). The height related to the reference ellipsoid,
measured along the ellipsoidal outer normal through the point in question.
Feature. Abstraction of real world phenomena (ISO 19101*).
Feature attribute. Characteristic of a feature (ISO 19101*).
Note. β A feature attribute has a name, a data type and a value domain associated
with it.
Final approach. That part of an instrument approach procedure which
commences at the specified final approach fix or point, or where such a fix or point
is not specified,
a) at the end of the last procedure turn, base turn or inbound turn of a
racetrack procedure, if specified; or
b) at the point of interception of the last track specified in the approach
procedure; and ends at a point in the vicinity of an aerodrome from which:
1) a landing can be made; or
2) a missed approach procedure is initiated.
Final approach and take-off area (FATO). A defined area over which the final
phase of the approach manoeuvre to hover or landing is completed and from which
the take-off manoeuvre is commenced. Where the FATO is to be used by
performance Class 1 helicopters, the defined area includes the rejected take-off
area available.
Final approach fix or point. That fix or point of an instrument approach procedure
where the final approach segment commences.
Final approach segment. That segment of an instrument approach procedure in
which alignment and descent for landing are accomplished.
Flight information region. An airspace of defined dimensions within which flight
information service and alerting service are provided.
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Flight level. A surface of constant atmospheric pressure which is related to a
specific pressure datum, 1 013.2 hectopascals (hPa), and is separated from other
such surfaces by specific pressure intervals.
Note 1. β A pressure type altimeter calibrated in accordance with the Standard
Atmosphere:
a) when set to a QNH altimeter setting, will indicate altitude;
b) when set to a QFE altimeter setting, will indicate height above the QFE
reference datum;
c) when set to a pressure of 1 013.2 hPa, may be used to indicate flight
levels.
Note 2. β The terms βheightβ and βaltitudeβ, used in Note 1 above, indicate
altimetric rather than geometric heights and altitudes.
Geodesic distance. The shortest distance between any two points on a
mathematically defined ellipsoidal surface.
Geodetic datum. A minimum set of parameters required to define location and
orientation of the local reference system with respect to the global reference
system/frame.
Geoid. The equipotential surface in the gravity field of the Earth which coincides
with the undisturbed mean sea level (MSL) extended continuously through the
continents.
Note. β The geoid is irregular in shape because of local gravitational disturbances
(wind tides, salinity, current, etc.) and the direction of gravity is perpendicular to
the geoid at every point.
Geoid undulation. The distance of the geoid above (positive) or below (negative)
the mathematical reference ellipsoid.
Note. β In respect to the World Geodetic System β 1984 (WGS-84) defined
ellipsoid, the difference between the WGS-84 ellipsoidal height and orthometric
height represents WGS-84 geoid undulation.
Glide path. A descent profile determined for vertical guidance during a final
approach.
Gregorian calendar. Calendar in general use; first introduced in 1582 to define a
year that more closely approximates the tropical year than the Julian calendar (ISO
19108*).
Note. - In the Gregorian calendar, common years have 365 days and leap years
366 days divided into twelve sequential months.
Height. The vertical distance of a level, a point or an object considered as a point,
measured from a specified datum.
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Helicopter stand. An aircraft stand which provides for parking a helicopter and,
where ground taxi operations are, completed or where the helicopter touches down
and lifts off for air taxi operations.
Heliport. An aerodrome or a defined area on a structure intended to be used wholly
or in part for the arrival, departure and surface movement of helicopters.
Heliport reference point (HRP). The designated location of a heliport or a landing
location.
Holding procedure. A predetermined manoeuvre which keeps an aircraft within a
specified airspace while awaiting further clearance.
Hot spot. A location on an aerodrome movement area with a history or potential
risk of collision or runway incursion, and where heightened attention by
pilots/drivers is necessary.
Human Factors principles. Principles which apply to aeronautical design,
certification, training, operations and maintenance and which seek safe interface
between the human and other system components by proper consideration to
human performance.
Hypsometric tints. A succession of shades or colour gradations used to depict
ranges of elevation.
Initial approach segment. That segment of an instrument approach procedure
between the initial approach fix and the intermediate approach fix or, where
applicable, the final approach fix or point.
Instrument approach procedure. A series of predetermined manoeuvres by
reference to flight instruments with specified protection from obstacles from the
initial approach fix, or where applicable, from the beginning of a defined arrival
route to a point from which a landing can be completed and thereafter, if a landing
is not completed, to a position at which holding or en-route obstacle clearance
criteria apply.
Integrity classification (aeronautical data). Classification based upon the
potential risk resulting from the use of corrupted data. Aeronautical data is
classified as:
a) routine data: there is a very low probability when using corrupted routine data
that the continued safe flight and landing of an aircraft would be severely at risk
with the potential for catastrophe;
b) essential data: there is a low probability when using corrupted essential data
that the continued safe flight and landing of an aircraft would be severely at risk
with the potential for catastrophe; and
c) critical data: there is a high probability when using corrupted critical data that
the continued safe flight and landing of an aircraft would be severely at risk with
the potential for catastrophe.
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Intermediate approach segment. That segment of an instrument approach
procedure between either the intermediate approach fix and the final approach fix
or point, or between the end of a reversal, racetrack or dead reckoning track
procedure and the final approach fix or point, as appropriate.
Intermediate holding position. A designated position intended for traffic control
at which taxiing aircraft and vehicles shall stop and hold until further cleared to
proceed, when so instructed by the aerodrome control tower.
Isogonal. A line on a map or chart on which all points have the same magnetic
variation for a specified epoch.
Isogriv. A line on a map or chart which joins points of equal angular difference
between the North of the navigation grid and Magnetic North.
Landing area. That part of a movement area intended for the landing or take-off
of aircraft.
Landing direction indicator. A device to indicate visually the direction currently
designated for landing and for take-off.
Level. A generic term relating to the vertical position of an aircraft in flight and
meaning variously, height, altitude or flight level.
Logon address. A specified code used for data link logon to an ATS unit.
Magnetic variation. The angular difference between True North and Magnetic
North.
Note. β The value given indicates whether the angular difference is East or West
of True North.
Manoeuvring area. That part of an aerodrome to be used for the take-off, landing
and taxiing of aircraft, excluding aprons.
Marking. A symbol or group of symbols displayed on the surface of the movement
area in order to convey aeronautical information.
Metadata. Data about data (ISO 19115*).
Note. β Data that describes and documents data.
Minimum en-route altitude (MEA). The altitude for an en-route segment that
provides adequate reception of relevant navigation facilities and ATS
communications, complies with the airspace structure and provides the required
obstacle clearance.
Minimum obstacle clearance altitude (MOCA). The minimum altitude for a
defined segment of flight that provides the required obstacle clearance.
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Minimum sector altitude (MSA). The lowest altitude which may be used which
will provide a minimum clearance of 300 m (1 000 ft) above all objects located in
an area contained within a sector of a circle of 46 km (25 NM) radius centred on a
significant point,the aerodrome reference point (ARP), or the heliport refrence point
(HRP).
Missed approach point (MAPt). That point in an instrument approach procedure
at or before which the prescribed missed approach procedure must be initiated in
order to ensure that the minimum obstacle clearance is not infringed.
Missed approach procedure. The procedure to be followed if the approach
cannot be continued.
Movement area. That part of an aerodrome to be used for the take-off, landing and
taxiing of aircraft, consisting of the manoeuvring area and the apron(s).
Navigation specification. A set of aircraft and flight crew requirements needed to
support performance-based navigation operations within a defined airspace. There
are two kinds of navigation specifications:
Required navigation performance (RNP) specification. A navigation specification
based on area navigation that includes the requirement for performance
monitoring and alerting, designated by the prefix RNP, e.g. RNP 4, RNP APCH.
Area navigation (RNAV) specification. A navigation specification based on area
navigation that does not include the requirement for performance monitoring
and alerting, designated by the prefix RNAV, e.g. RNAV 5, RNAV 1.
Note 1. β The Performance-based Navigation (PBN) Manual (Doc 9613),
Volume II contains detailed guidance on navigation specifications.
Note 2.β The term RNP as previously defined as βa statement of the navigation
performance necessary for operation within a defined airspaceβ, has been
removed from this CAR as the concept of RNP has been overtaken by the
concept of PBN. The term RNP in this CAR is now solely used in context of
navigation specifications that require performance monitoring and alerting. E.g.
RNP 4 refers to the aircraft and operating requirements, including a 4 NM lateral
performance with on board performance monitoring and alerting that are
detailed in the PBN Manual (Doc 9613).
Obstacle. All fixed (whether temporary or permanent) and mobile objects, or parts
thereof, that:
a) are located on an area intended for the surface movement of aircraft; or that
b) extend above a defined surface intended to protect aircraft in flight; or
c) stand outside those defined surfaces and that have been assessed as being a
hazard to air navigation.
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Note.β The term obstacle is used in this CAR solely for the purpose of specifying
the charting of objects that are considered a potential hazard to the safe passage
of aircraft in the type of operation for which the individual chart series is designed.
Obstacle clearance altitude (OCA) or obstacle clearance height (OCH). The
lowest altitude or the lowest height above the elevation of the relevant runway
threshold or the aerodrome elevation as applicable, used in establishing
compliance with appropriate obstacle clearance criteria.
Note 1. β Obstacle clearance altitude is referenced to mean sea level and obstacle
clearance height is referenced to the threshold elevation or in the case of non-
precision approaches to the aerodrome elevation or the threshold elevation if that
is more than 2 m (7 ft) below the aerodrome elevation. An obstacle clearance
height for a circling approach is referenced to the aerodrome elevation.
Note 2. β For convenience when both expressions are used they may be written
in the form βobstacle clearance altitude/heightβ and abbreviated βOCA/Hβ.
Note 3.β See Procedures for Air Navigation Services β Aircraft Operations (Doc
8168), Volume I, Part III, 1.5, and Volume II, Part III, 6.4, for specific applications
of this definition.
Obstacle free zone (OFZ). The airspace above the inner approach surface, inner
transitional surfaces, and balked landing surface and that portion of the strip
bounded by these surfaces, which is not penetrated by any fixed obstacle other
than a low-mass and frangibly mounted one required for air navigation purposes.
Orthometric height. Height of a point related to the geoid, generally presented as
an MSL elevation.
Performance-based navigation (PBN). Area navigation based on performance
requirements for aircraft operating along an ATS route, on an instrument approach
procedure or in a designated airspace.
Note.β Performance requirements are expressed in navigation specifications
(RNAV specification, RNP specification) in terms of accuracy, integrity, continuity,
availability and functionality needed for the proposed operation in the context of a
particular airspace concept.
Point light. A luminous signal appearing without perceptible length.
Portrayal. Presentation of information to humans (ISO 19117*).
Position (geographical). Set of coordinates (latitude and longitude) referenced to
the mathematical reference ellipsoid which define the position of a point on the
surface of the Earth.
Precision approach procedure. An instrument approach procedure utilizing
azimuth and glide path information provided by ILS or PAR.
Procedure altitude/height. A published altitude/height used in defining the
vertical profile of a flight procedure, at or above the minimum obstacle clearance
altitude/height where established.
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Procedure turn. A manoeuvre in which a turn is made away from a designated
track followed by a turn in the opposite direction to permit the aircraft to intercept
and proceed along the reciprocal of the designated track.
Note 1. β Procedure turns are designated βleftβ or βrightβ according to the direction
of the initial turn.
Note 2. β Procedure turns may be designated as being made either in level flight
or while descending, according to the circumstances of each individual procedure.
Prohibited area. An airspace of defined dimensions, above the land areas or
territorial waters, within which the flight of aircraft is prohibited.
.
Relief. The inequalities in elevation of the surface of the Earth represented on
aeronautical charts by contours, hypsometric tints, shading or spot elevations.
Reporting point. A specified (named) geographical location in relation to which
the position of an aircraft can be reported.
Note. β There are three categories of reporting points: ground-based navigation
aid, intersection and waypoint. In the context of this definition, intersection is a
significant point expressed as radials, bearings and/or distances from ground-
based navigation aids. A reporting point can be indicated as βon requestβ or as
βcompulsoryβ.
Restricted area. An airspace of defined dimensions, above the land areas or
territorial waters, within which the flight of aircraft is restricted in accordance with
certain specified conditions.
Reversal procedure. A procedure designed to enable aircraft to reverse direction
during the initial approach segment of an instrument approach procedure. The
sequence may include procedure turns or base turns.
Runway-holding position. A designated position intended to protect a runway, an
obstacle limitation surface, or an ILS/MLS critical/sensitive area at which taxiing
aircraft and vehicles shall stop and hold, unless otherwise authorized by the
aerodrome control tower.
Note. β In radiotelephony phraseologies, the expression βholding pointβ is used to
designate the runway-holding position.
Runway strip. A defined area including the runway and stopway, if provided,
intended:
a) to reduce the risk of damage to aircraft running off a runway; and
b) to protect aircraft flying over it during take-off or landing operations.
Runway visual range (RVR). The range over which the pilot of an aircraft on the
centre line of a runway can see the runway surface markings or the lights
delineating the runway or identifying its centre line.
Shoulder. An area adjacent to the edge of a pavement so prepared as to provide
a transition between the pavement and the adjacent surface.
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Significant point. A specified geographical location used in defining an ATS route
or the flight path of an aircraft and for other navigation and ATS purposes.
Note. β There are three categories of significant points: ground-based navigation
aid, intersection and waypoint. In the context of this definition, intersection is a
significant point expressed as radials, bearings and/or distances from ground-
based navigation aids.
Stopway. A defined rectangular area on the ground at the end of take-off run
available prepared as a suitable area in which an aircraft can be stopped in the
case of an abandoned take-off.
Taxiing. Movement of an aircraft on the surface of an aerodrome under its own
power, excluding take-off and landing.
Taxi-route. A defined path established for the movement of helicopters from one
part of a heliport to another. A taxi- route includes a helicopter air or ground taxiway
which is centred on the taxi β route.
Taxiway. A defined path on a land aerodrome established for the taxiing of aircraft
and intended to provide a link between one part of the aerodrome and another,
including:
a) Aircraft stand taxilane. A portion of an apron designated as a taxiway and
intended to provide access to aircraft stands only.
b) Apron taxiway. A portion of a taxiway system located on an apron and intended
to provide a through taxi route across the apron.
c) Rapid exit taxiway. A taxiway connected to a runway at an acute angle and
designed to allow landing aeroplanes to turn off at higher speeds than are achieved
on other exit taxiways thereby minimizing runway occupancy times.
Terminal arrival altitude (TAA). The lowest altitude that will provide a minimum
clearance of 300 m (1 000 ft) above all objects located in an arc of a circle defined
by a 46-km (25 NM) radius centred on the initial approach fix (IAF), or where there
is no IAF on the intermediate approach fix (IF), delimited by straight lines joining
the extremity of the arc to the IF. The combined TAAs associated with an approach
procedure shall account for an area of 360 degrees around the IF.
Terrain. The surface of the Earth containing naturally occurring features such as
mountains, hills, ridges, valleys, bodies of water, permanent ice and snow, and
excluding obstacles.
Note. β In practical terms, depending on the method of data collection, terrain
represents the continuous surface that exists at the bare Earth, the top of the
canopy or something inbetween, also known as βfirst reflective surfaceβ.
Threshold. The beginning of that portion of the runway usable for landing.
Touchdown and lift-off area (TLOF). A load bearing area on which a helicopter
may touch down or lift off.
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Touchdown zone. The portion of a runway, beyond the threshold, where it is
intended landing aeroplanes first contact the runway.
Track. The projection on the earthβs surface of the path of an aircraft, the direction of
which path at any point is usually expressed in degrees from North (true, magnetic
or grid).
Transition altitude. The altitude at or below which the vertical position of an
aircraft is controlled by reference to altitudes.
Vectoring. Provision of navigational guidance to aircraft in the form of specific
headings, based on the use of an ATS surveillance system.
Visual approach procedure. A series of predetermined manoeuvres by visual
reference, from the initial approach fix, or where applicable, from the beginning of a
defined arrival route to a point from which a landing can be completed and
thereafter, if a landing is not completed, a go-around procedure can be carried-out.
Waypoint. A specified geographical location used to define an area navigation
route or the flight path of an aircraft employing area navigation. Waypoints are
identified as either:
Fly-by waypoint. A waypoint which requires turn anticipation to allow tangential
interception of the next segment of a route or procedure; or
Flyover waypoint. A waypoint at which a turn is initiated in order to join the
next segment of a route or procedure.
1.2 Applicability
1.2.1 This CAR is applicable to all providers engaged in publication of aeronautical maps
and charts.
1.2.2 All charts coming within the scope of this CAR shall conform to the
specifications and requirements relevant to the particular chart.
1.2.3 Reserved
1.3 Availability
1.3.1 Information. Necessary information relating to the territory of India shall be
provided on request to another Contracting State to enable it to meet the Annex 4
requirements.
1.3.2 Charts or single sheet of a chart series entirely contained within the territory of
India shall be produced. For chart or single sheet of a chart series, which
includes the territory of another Contracting State(s), the State having
jurisdiction over the territory so included shall determine the manner in which
the chart or sheet will be made available. This determination shall be made with
due regard being given to regional air navigation agreements and to any
programme of allocation established by the Council of ICAO.
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Note. β The phrase βregional air navigation agreementsβ refers to the
agreements approved by the Council of ICAO normally on the advice of regional
air navigation meetings.
1.3.3 All reasonable measures shall be taken to ensure that the information provided
and the aeronautical charts made available are adequate and accurate and that
they are maintained up to date by an adequate revision service.
1.3.4 To improve worldwide dissemination of information on new charting techniques
and production methods, appropriate charts produced shall be made available
without charge to other Contracting States on request on a reciprocal basis.
Note. β Guidance material on the preparation of aeronautical charts, including
sample formats, is contained in the ICAO Aeronautical Chart Manual (Doc
8697).
* ISO Standard
19101, Geographic information β Reference model
19104, Geographic information β Terminology
19108, Geographic information β Temporal schema
19115, Geographic information β Metadata
19117, Geographic information β Portrayal
19131, Geographic information β Data product specifications
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2. GENERAL SPECIFICATIONS
Note. β The standards contained in this para are applicable to all ICAO
aeronautical charts unless otherwise stated in the specifications of the chart
concerned.
2.1 Operational requirements for charts
Note. β For the purpose of this CAR, the total flight is divided into the
following phases:
Phase 1 - Taxi from aircraft stand to take-off point
Phase 2 - Take-off and climb to en-route ATS route structure
Phase 3 - En-route ATS route structure
Phase 4 - Descent to approach
Phase 5 - Approach to land missed approach
Phase 6 - Landing and taxi to aircraft stand.
2.1.1 Each type of chart shall provide information relevant to the function of the chart
and its design shall observe Human Factors principles which facilitate
its optimum use.
Note. β Guidance material on the application of Human Factors principles is
available in the ICAO Human Factors Training Manual (Doc 9683)
2.1.2 Each type of chart shall provide information appropriate to the phase of flight,
to ensure the safe and expeditious operation of the aircraft.
2.1.3 The presentation of information shall be accurate, free from distortion and
clutter, unambiguous, and be readable under all normal operating conditions.
2.1.4 Colours or tints and type size used shall be such that the chart can be easily
read and interpreted by the pilot in varying conditions of natural and artificial
light.
2.1.5 The information shall be in a form which enables the pilot to acquire it in a
reasonable time consistent with workload and operating conditions.
2.1.6 The presentation of information provided on each type of chart shall permit
smooth transition from chart to chart as appropriate to the phase of flight.
2.1.7 The charts shall be True North orientated.
2.1.8 The basic sheet size of the charts should be 210 X 148 mm (8.27 X 5.82 in) (A5)
or any other suitable size keeping legibility factors into account.
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2.2 Titles
The title of a chart or chart series prepared in accordance with the specifications
contained in this CAR and intended to satisfy the function of the chart, shall be
that of the relevant para heading as modified by application of any Standard
contained therein, except that such title shall not include βICAOβ unless the chart
conforms with all standards specified in this Para 2 and any specified for the
particular chart.
2.3 Miscellaneous information
2.3.1 The marginal note layout shall be as given in Appendix 1, except as otherwise
specified for a particular chart.
2.3.2 The following information shall be shown on the face of the each chart unless
otherwise stated in the specification of the chart concerned:
1) designation or title of the chart series;
Note. β The title may be abbreviated.
2) name and reference of the sheet;
3) on each margin an indication of the adjoining sheet (when applicable).
2.3.3 A legend to the symbols and abbreviations used shall be provided. The legend
shall be on the face or reverse of each chart except that, where it is
impracticable for reasons of space, a legend may be published separately.
2.3.4 The name and adequate address of the producing agency shall be shown in the
margin of the chart except that, where the chart is published as part of an
aeronautical document, this information may be placed in the front of that
document.
2.4 Symbols
2.4.1 Symbols used shall conform to those shown in Appendix 2 β ICAO Chart
Symbols, except that where it is desired to show on an aeronautical chart special
features or items of importance to civil aviation for which no ICAO symbol is at
present provided, any appropriate symbol may be chosen for this purpose,
provided that it does not cause confusion with any existing ICAO chart symbol
or impair the legibility of the chart.
Note. β The size and prominence of symbols and the thickness and spacing of
lines may be varied according to the scale and functions of the chart, with due
regard to the importance of the information they convey.
2.4.2 To represent ground-based navigation aids, intersections and waypoints, the
same basic symbol shall be used on all charts on which they appear, regardless
of chart purpose.
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2.4.3 The symbol used for significant points shall be based on a hierarchy of symbols
and selected in the following order: ground-based navigation aid, intersection,
waypoint symbol. A waypoint symbol shall be used only when a particular
significant point does not already exist as either a ground-based navigation aid
or intersection.
2.4.4 Symbols shall be shown in the manner specified in 2.4.2, 2.4.3 and Appendix
2 β ICAO Chart Symbols, symbol number 121.
2.4.5 Reserved
2.5 Units of measurement
2.5.1 Distance shall be derived as geodesic distances.
2.5.2 Distance shall be expressed in either kilometers or nautical miles or
both, provided the units are clearly differentiated.
2.5.3 Altitudes, elevations and heights shall be expressed in either metres or feet or
both, provided the nits are clearly differentiated.
2.5.4 Linear dimensions on aerodromes and short distances shall be expressed in
meters.
2.5.5 The order of resolution of distances, dimensions, elevations and heights shall
be that as specified for a particular chart.
2.5.6 The units of measurement used to express distances, altitudes, elevations
and heights shall be conspicuously stated on the face of each chart.
2.5.7 Conversion scales (kilometers/nautical miles, metres/feet) shall be provided on
each chart on which distances, elevations or altitudes are shown. The
conversion scales shall be placed on the face of each chart.
2.6 Scale and projection
2.6.1 For charts of large areas, the name and basic parameters and scale of the
projection shall be indicated.
2.6.2 For charts of small areas, a linear scale only shall be indicated.
2.7 Date of validity of aeronautical information
The date of validity of aeronautical information shall be clearly indicated on
the face of each chart.
2.8 Spelling of geographical names
2.8.1 The symbols of the Roman alphabet shall be used for all writing.
2.8.2 Reserved
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2.8.3 Where a geographical term such as βcapeβ, βpointβ, βgulfβ, βriverβ, is abbreviated
on any particular chart, that word shall be spelt out in full in the English
language, in respect of the most important example of each type. Punctuation
marks shall not be used in abbreviations within the body of a chart.
2.8.4 Reserved
2.9 Abbreviations
2.9.1 Abbreviations shall be used on aeronautical charts whenever they are
appropriate.
2.9.2 Where applicable, abbreviations shall be selected from the Procedures for Air
Navigation Services β ICAO Abbreviations and Codes (Doc 8400).
2.10 Political boundaries
2.10.1 International boundaries shall be shown, but may be interrupted if data more
important to the use of the chart would be obscured.
2.10.2 Where the territory of more than one State appears on a chart, the names
identifying the countries shall be indicated.
Note. β In the case of a dependent territory, the name of the sovereign State
maybe added in brackets.
2.11 Colours
Colours used on charts shall conform to Appendix 3 β Colour Guide.
2.12 Relief
2.12.1 Relief, where shown, shall be portrayed in a manner that will satisfy the chart
users' need for:
a) orientation and identification;
b) safe terrain clearance;
c) clarity of aeronautical information when shown;
d) planning.
Note.βRelief is usually portrayed by combinations of contours, hypsometric
tints, spot elevations and hill shading, the choice of method being affected by
the nature and scale of the chart and its intended use.
2.12.2 Where relief is shown by hypsometric tints, the tints used shall be based on
those shown in the Hypsometric Tint Guide in Appendix 4.
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2.12.3 Where spot elevations are used they shall be shown for selected critical points.
2.12.3.1 The value of spot elevations of doubtful accuracy shall be followed by the sign
Β± .
2.13 Prohibited, restricted and danger areas
When prohibited, restricted or danger areas are shown, the reference or other
identification shall be included, except that the nationality letters may be omitted.
2.14 Air traffic services airspaces
2.14.1 When ATS airspace is shown on a chart, the class of airspace, the type, name
or call sign, the vertical limits and the radio frequency(ies) to be used shall be
indicated and the horizontal limits depicted in accordance with Appendix 2 --
ICAO Chart Symbols.
2.14.2 On charts used for visual flight, those parts of the ATS Airspace Classifications
table in CAR Section 9 Series βEβ Part I applicable to the airspace depicted on
the chart shall be on the face or reverse of each chart.
2.15 Magnetic variation
2.15.1 True North and magnetic variation shall be indicated. The order of resolution of
magnetic variation shall be that as specified for a particular chart.
2.15.2 When magnetic variation is shown on a chart, the values shown shall be those
for the year nearest to the date of publication that is divisible by 5, i.e. 1980,
1985, etc. In exceptional cases where the current value would be more than one
degree different, after applying the calculation for annual change, an interim date
and value should be quoted.
Note. β The date and the annual change may be shown.
2.15.3 For instrument procedure charts, the publication of a magnetic variation change
shall be completed within a maximum of six AIRAC cycles.
2.15.4 In large terminal areas with multiple aerodromes, a single rounded value of
magnetic variation shall be applied so that the procedures that service multiple
aerodromes use a single, common variation value.
2.16 Typography
Note. β Samples of type suitable for use on aeronautical charts are included in
the ICAO Aeronautical Chart Manual (Doc 8697).
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2.17 Aeronautical data
2.17.1 All necessary measures shall be taken to introduce a properly organized quality
system containing procedures, processes and resources necessary
to implement quality management at each function stage. The execution of such
quality management shall be made demonstrable for each function stage, when
required. In addition, it shall be ensured that established procedures exist in
order that aeronautical data at any moment is traceable to its origin so to allow
any data anomalies or errors, detected during the production/ maintenance
phases or in the operational use, to be corrected.
Note. β Specifications governing the quality system are given in CAR
Section9, Series βIβ Part I (Aeronautical Information Services).
2.17.2 It shall be ensured that the chart resolution of aeronautical data shall be that as
specified for a particular chart
Note.βSpecifications concerning the chart resolution for aeronautical data are
contained in PANS-AIM (Doc 10066), Appendix 1.
2.17.3 It shall be ensured that integrity of aeronautical data is maintained throughout
the data process from origination to distribution to the next intended user.
Note. β Specifications concerning the integrity classification related to
aeronautical data are provided in PANS-AIM (Doc 10066), Appendix 1.
2.17.4 Digital data error detection techniques shall be used during the transmission
and/or storage of aeronautical data and digital data sets.
Note. β Detailed specifications concerning digital data error detection
techniques are contained in PANS-AIM (Doc 10066).
2.18 Common reference systems
2.18.1 Horizontal reference system
2.18.1.1 World Geodetic System - 1984 (WGS-84) shall be used as the horizontal
(geodetic) reference system. Published aeronautical geographical coordinates
(indicating latitude and longitude) shall be expressed in terms of the WGS-84
geodetic reference datum.
2.18.1.2 Geographical coordinates which have been transformed into WGS-84
coordinates but whose accuracy of original field work does not meet the
requirements in CAR Section 9 Series βEβ Part I (Air Traffic Services) and CAR
Section βBβ Part I (Aerodrome Design and Operations), shall be identified by an
asterisk.
2.18.1.3 The chart resolution of geographical coordinates shall be that specified for a
particular chart series.
Note.βSpecifications concerning the accuracy and integrity classification of
WGS-84-related aeronautical data are contained in PANS-AIM (Doc 10066),
Appendix 1.
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2..18..2 Vertical reference system
2.18.2.1Mean sea level (MSL) datum, which gives the relationship of gravity-related
height (elevation) to a surface known as the geoid, shall be used as the vertical
reference system.
Note 1. β The geoid globally most closely approximates MSL. It is defined as
the equipotential surface in the gravity field of the Earth that coincides with the
undisturbed MSL extended continuously through the continents.
Note 2. β Gravity-related heights (elevations) are also referred to as orthometric
heights while distances of points above the ellipsoid are referred to as
ellipsoidal heights.
2.18.2.2In addition to the elevations referenced to MSL, for the specific surveyed ground
positions, geoid undulation (referenced to the WGS-84 ellipsoid) for those
positions shall also be published as specified for a particular chart.
Note. β Specifications concerning the accuracy and integrity classification of
elevation and geoid undulation at specific positions at aerodromes/heliports are
contained in PANS-AIM (Doc 10066), Appendix 1.
2.18.2.3The chart resolution of elevation and geoid undulation shall be that specified for
a particular chart series.
Note. β Specifications concerning the chart resolution of elevation and geoid
undulation are contained in PANS-AIM (Doc 10066), Appendix 1.
2.18.3 Temporal reference system
2.18.3.1The Gregorian calendar and Coordinated Universal Time (UTC) shall be used
as the temporal reference system.
2.18.3.2When a different temporal reference system is used for charting, this shall be
indicated in GEN 2.1.2 of the Aeronautical Information Publication (AIP).
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3. AERODROME OBSTACLE CHART β ICAO TYPE A
(OPERATING LIMITATIONS)
3.1 Function
This chart, in combination with the relevant information published in the AIP,
shall provide the data necessary to enable an operator to comply with the
operating limitations of CAR Section 8 Series βOβ Part II,III,IV and V.
3.2 Availability
3.2.1 Aerodrome Obstacle Charts β ICAO Type A (Operating Limitations) shall be
made available in the manner prescribed in 1.3.2 for all aerodromes regularly
used, except for those aerodromes where there are no obstacles in the take- off
flight path areas or where the Aerodrome Terrain and Obstacle Chart β ICAO
(Electronic) is provided.
3.2.2 Where a chart is not required because no obstacles exist in the take-off flight
path area, a notification to this effect shall be published in AIP.
3.3 Units of measurement
3.3.1 Elevations shall be shown to the nearest half-meter or to the nearest foot.
3.3.2 Linear dimensions shall be shown to the nearest half-meter.
3.4 Coverage and scale
3.4.1 The extent of each plan shall be sufficient to cover all significant obstacles.
Note. β Isolated distant obstacles that would unnecessarily increase the sheet
size may be indicated by the appropriate symbol and an arrow, provided that
the distance and bearing from the end of the runway farthest removed and the
elevation are given.
3.4.2 The horizontal scale shall be within the range of 1:10 000 to 1:15 000.
3.4.3 A horizontal scale of 1: 10 000 is preferred.
3.4.4 The vertical scale shall be ten times the horizontal scale.
3.4.5 Linear scales. Horizontal and vertical linear scales showing both metres and
feet shall be included in the charts.
3.5 Format
3.5.1 The charts shall depict a plan and profile of each runway, any associated
Stop
way or clearway, the take-off flight path area and obstacles.
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3.5.2 The profile for each runway, stopway, clearway and the obstacles in the take-
off flight path area shall be shown above its corresponding plan. The profile of
an alternative take-off flight path area shall comprise a linear projection of the
full take-off flight path and shall be disposed above its corresponding plan in the
manner most suited to the ready interpretation of the information.
3.5.3 A profile grid shall be ruled over the entire profile area exclusive of the runway.
The zero for vertical coordinates shall be mean sea level. The zero for horizontal
coordinates shall be the end of the runway furthest from the take-off flight path
area concerned. Graduation marks indicating the subdivisions of intervals shall
be shown along the base of the grid and along the vertical margins.
3.5.3.1The vertical grid shall have intervals of 30 m (100 ft) and the horizontal grid
should have intervals of 300 m (1 000 ft).
3.5.4 The chart shall include:
a) a box for recording the operational data specified in 3.8.3;
b) a box for recording amendments and dates thereof.
3.6 Identification
The chart shall be identified by the name of the country in which the aerodrome
is located, the name of the city or town, or area, which the aerodrome serves,
the name of the aerodrome and the designator(s) of the runway(s).
3.7 Magnetic variation
The magnetic variation to the nearest degree and date of information shall be
indicated.
3.8 Aeronautical data
3.8.1 Obstacles
3.8.1.1Objects in the take-off flight path area which project above a plane surface
having a 1.2 per cent slope and having a common origin with the take-off flight
path area, shall be regarded as obstacles, except that obstacles lying wholly
below the shadow of other obstacles as defined in 3.8.1.2 need not be shown.
Mobile objects such as boats, trains and trucks, which may project above the
1.2 per cent plane, shall be considered obstacles but shall not be considered as
being capable of creating a shadow.
3.8.1.2The shadow of an obstacle is considered to be a plane surface originating at a
horizontal line passing through the top of the obstacle at right angles to the
centre line of the take-off flight path area. The plane covers the complete width
of the take-off flight path area and extends to the plane defined in
3.8.1.1 or to the next higher obstacle if it occurs first. For the first 300 m (1 000
ft) of the take-off flight path area, the shadow planes are horizontal and beyond
this point such planes have an upward slope of 1.2 per cent.
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3.8.1.3If the obstacle creating a shadow is likely to be removed, objects that would
become obstacles by its removal shall be shown.
3.8.2 Take-off flight path area
3.8.2.1The take-off flight path area consists of a quadrilateral area on the surface of
the earth lying directly below, and symmetrically disposed about, the take-off
flight path. This area has the following characteristics:
a) it commences at the end of the area declared suitable for take-off (i.e. at the
end of the runway or clearway as appropriate);
b) its width at the point of origin is 180 m (600 ft) and this width increases at the
rate of 0.25D to a maximum of 1 800 m (6 000 ft), where D is the distance from
the point of origin;
c) it extends to the point beyond which no obstacles exist or to a distance of
10.0 km (5.4 NM), whichever is the lesser.
3.8.2.2For runways serving aircraft having operating limitations which do not preclude
the use of a take-off flight path gradient of less than 1.2 per cent, the extent of
the takeoff flight path area specified in 3.8.2.1 c) shall be increased to not less
than 12.0 km (6.5 NM) and the slope of the plane surface specified in 3.8.1.1
and 3.8.1.2 shall be reduced to 1.0 per cent or less.
Note. β When a 1.0 per cent survey plane touches no obstacles, this plane may
be lowered until it touches the first obstacle.
3.8.3 Declared distances
3.8.3.1The following information for each direction of each runway shall be entered in
the space provided:
a) take-off run available;
b) accelerate-stop distance available;
c) take-off distance available;
d) landing distance available;
e) take-off run available;
f) accelerate-stop distance available;
g) take-off distance available;
h) landing distance available.
3.8.3.2Where a declared distance is not provided because a runway is usable in one
direction only, that runway shall be identified as βnot usable for takeoff, landing
or bothβ.
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3.8.4 Plan and profile views
3.8.4.1 The plan view shall show:
a) the outline of the runways by a solid line, including the length and width, the
magnetic bearing to the nearest degree, and the runway number;
b) the outline of the clearways by a broken line, including the length and
identification as such;
c) take-off flight path areas by a dashed line and the centre line by a fine line
consisting of short and long dashes;
d) alternative take-off flight path areas. When alternative take-off flight path
areas not centred on the extension of the runway centre line are shown, notes
shall be provided explaining the significance of such areas;
e) obstacles, including:
1) the exact location of each obstacle together with a symbol indicative
of its type;
2) the elevation and identification of each obstacle;
3) the limits of penetration of obstacles of large extent in a distinctive
manner identified in the legend.
Note. β This does not exclude the necessity for indicating critical spot
elevations within the take-off flight path area.
3.8.4.1.1 The nature of the runway and stopway surfaces shall be indicated.
3.8.4.1.2 Stopways shall be identified as such and shall be shown by a broken line.
3.8.4.1.3 When stopways are shown, the length of each stopway shall be indicated.
3.8.4.2 The profile view shall show:
a) the profile of the centre line of the runway by a solid line and the profile of
the centre line of any associated stopways and clearways by a broken line;
b) the elevation of the runway centre line at each end of the runway, at the
stopway and at the origin of each takeoff flight path area, and at each
significant change in slope of runway and stopway;
c) obstacles, including:
1) each obstacle by a solid vertical line extending from a convenient
grid line over at least one other grid line to the elevation of the top
of the obstacle;
2) identification of each obstacle;
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3) the limits of penetration of obstacles of large extent in a distinctive
manner identified in the legend.
Note. β An obstacle profile consisting of a line joining the tops of each obstacle
and representing the shadow created by successive obstacles may be shown.
3.9 Accuracy
3.9.1 The order of accuracy attained shall be shown on the chart.
3.9.2 The horizontal dimensions and the elevations of the runway, stopway and
clearway to be printed on the chart shall be determined to the nearest 0.5 m (1
ft).
3.9.3 The order of accuracy of the field work and the precision of chart production
shall be such that measurements in the take-off flight path areas can be taken
from the chart within the following maximum deviations:
1) horizontal distances: 5 m (15 ft) at a point of origin increasing at a rate of 1
per 500;
2) vertical distances: 0.5 m (1.5 ft) in the first 300 m (1 000 ft) and increasing
at a rate of 1 per 1 000.
3.9.4 Datum. Where no accurate datum for vertical reference is available, the
elevation of the datum used shall be stated and shall be identified as assumed.
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4. AERODROME OBSTACLE CHART β ICAO TYPE B
4.1 Function
This chart shall provide information to satisfy the following functions:
a) the determination of minimum safe altitudes/heights including those
for circling procedures;
b) the determination of procedures for use in the event of an
emergency during take-off or landing;
c) the application of obstacle clearing and marking criteria; and
d) the provision of source material for aeronautical charts.
4.2 Availability
4.2.1 Aerodrome Obstacle Charts β ICAO Type B shall be made available, in the
manner prescribed in 1.3.2, for all aerodromes except for those aerodromes
where the Aerodrome Terrain and Obstacle Chart β ICAO (Electronic) is
provided.
4.2.2 When a chart combining the specifications of para 3 and 4 is made available,
it shall be called the Aerodrome Obstacle Chart β ICAO (Comprehensive).
4.3 Units of measurement
4.3.1 Elevations shall be shown to the nearest half-metre or to the nearest foot.
4.3.2 Linear dimensions shall be shown to the nearest half-metre.
4.4 Coverage and scale
4.4.1 The extent of each plan shall be sufficient to cover all obstacles.
Note. β Isolated distant obstacles that would unnecessarily increase the sheet
size may be indicated by the appropriate symbol and an arrow, provided that
the distance and bearing from the aerodrome reference point and elevation are
given.
4.4.2 The horizontal scale shall be within the range of 1:10 000 to 1:20 000.
4.4.3 A horizontal linear scale showing both metres and feet shall be included in the
chart. When necessary, a linear scale for kilometres and a linear scale for
nautical miles shall also be shown.
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4.5 Format
The charts shall include:
a) any necessary explanation of the projection used;
b) any necessary identification of the grid used;
c) a notation indicating that obstacles are those which penetrate the
surfaces specified in CAR Section 4, Series βBβ Part I (Aerodrome
Design and Operations);
d) a box for recording amendments and dates thereof;
e) outside the neat line, every minute of latitude and longitude marked
in degrees and minutes.
Note. β Lines of latitude and longitude may be shown across the face of
the chart.
4.6 Identification
The chart shall be identified by the name of the country in which the aerodrome
is located, the name of the city or town, or area, which the aerodrome serves
and the name of the aerodrome.
4.7 Culture and topography
4.7.1 Drainage and hydrographic details shall be kept to a minimum.
4.7.2 Buildings and other salient features associated with the aerodrome shall be
shown. Wherever possible, they shall be shown to scale.
4.7.3 All objects, either cultural or natural, that project above the take-off and
approach surfaces specified in 4.9 or the clearing and marking surfaces
specified in CAR Section 4, Series βBβ Part I (Aerodrome Design and
Operations);
4.7.4 Roads and railroads within the take-off and approach area, and less than 600
m (2 000 ft) from the end of the runway or runway extensions, shall be shown.
Note. β Geographical names of features may be shown if of significance.
4.8 Magnetic variation
The chart shall show a compass rose orientated to the True North, or a North
point, showing the magnetic variation to the nearest degree with the date of
magnetic information and annual change.
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4.9 Aeronautical data
4.9.1 The charts shall show:
a) the aerodrome reference point and its geographical coordinates in
degrees, minutes and seconds;
b) the outline of the runways by a solid line;
c) the length and width of the runway;
d) the magnetic bearing to the nearest degree of the runway and the
runway number;
e) the elevation of the runway centre line at each end of the runway, at the
stopway, at the origin of each takeoff and approach area, and at each
significant change of slope of runway and stopway;
f) taxiways, aprons and parking areas identified as such, and the outlines
by a solid line;
g) stopways identified as such and depicted by a broken line;
h) the length of each stopway;
i) clearways identified as such and depicted by a broken line;
j) the length of each clearway;
k) take-off and approach surfaces identified as such and depicted by a
broken line;
l) take-off and approach areas;
m) obstacles at their exact location, including:
1) a symbol indicative of their type;
2) elevation;
3) identification;
4) limits of penetration of large extent in a distinctive manner identified
in the legend;
Note. β This does not exclude the necessity for indicating critical spot
elevations within the take-off and approach areas.
n) any additional obstacles, as determined by 3.8.1.1 including the
obstacles in the shadow of an obstacle, which would otherwise be
exempted.
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4.9.1.1 The nature of the runway and stopway surfaces shall be given.
4.9.1.2 Wherever practicable, the highest object or obstacle between adjacent
approach areas within a radius of 5 000 m (15 000 ft) from the aerodrome
reference point shall be indicated in a prominent manner.
4.9.1.3The extent of tree areas and relief features, part of which constitute obstacles,
shall be shown.
4.10 Accuracy
4.10.1 The order of accuracy attained shall be shown on the chart.
4.10.2 The horizontal dimensions and the elevations of the movement area, stopways
and clearways to be printed on the chart shall be determined to the nearest 0.5
m (1 ft).
4.10.3 The order or accuracy of the field work and the precision of chart production
shall be such that the resulting data will be within the maximum deviations
indicated herein:
a) Take-off and approach areas:
1) horizontal distances: 5 m (15 ft) at point of origin increasing at a rate
of 1 per 500;
2) vertical distances: 0.5 m (1.5 ft) in the first 300 m (1 000 ft) and
increasing at a rate of 1 per 1 000.
b) Other areas:
1) horizontal distances: 5 m (15 ft) within 5 000 m (15 000 ft) of the
aerodrome reference point and 12 m (40 ft) beyond that area;
2) vertical distances: 1 m (3 ft) within 1 500 m (5 000 ft) of the
aerodrome reference point increasing at a rate of 1 per 1 000.
4.10.4 Datum. Where no accurate datum for vertical reference is available, the
elevation of the datum used shall be stated and identified as assumed.
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5. RESERVED
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6. PRECISION APPROACH TERRAIN CHART β ICAO
6.1 Function
The chart shall provide detailed terrain profile information within a defined
portion of the final approach so as to enable aircraft operating agencies to
assess the effect of the terrain on decision height determination by the use of
radio altimeters.
6.2 Availability
6.2.1 The Precision Approach Terrain Chart β ICAO shall be made available for
all precision approach runways Categories II and III except where the
requisite information is provided in the Aerodrome Terrain and Obstacle
Chart β ICAO (Electronic).
6.2.2 The Precision Approach Terrain Chart β ICAO shall be revised whenever any
significant change occurs.
6.3 Scale
6.3.1 The horizontal scale shall be 1:2 500, and the vertical scale 1:500.
6.3.2 When the chart includes a profile of the terrain to a distance greater than 900
m (3 000 ft) from the runway threshold, the horizontal scale shall be 1:5 000.
6.4 Identification
The chart shall be identified by the name of the country in which the aerodrome
is located, the name of the city or town, or area, which the aerodrome serves,
the name of the aerodrome and the designator of the runway.
6.5 Plan and profile information
6.5.1 The chart shall include:
1) a plan showing contours at 1 m (3 ft) intervals in the area 60 m (200 ft) on
either side of the extended centre line of the runway, to the same distance
as the profile, the contours to be related to the runway threshold;
2) an indication where the terrain or any object thereon, within the plan defined
in 1) above, differs by Β±3 m (10 ft) in height from the centre line profile and
is likely to affect a radio altimeter;
3) a profile of the terrain to a distance of 900 m (3 000 ft) from the threshold
along the extended centre line of the runway.
6.5.2 Where the terrain at a distance greater than 900 m (3000 ft) from the runway
threshold is mountainous or otherwise significant to users of the chart, the
profile of the terrain shall be shown to a distance not exceeding 2 000 m (6500
ft) from the runway threshold.
32CIVIL AVIATION REQUIREMENTS SECTION 9
SERIES βGβ PART I October 2024
6.5.3 The ILS reference datum height shall be shown to the nearest half metre or
foot.
7. ENROUTE CHART β ICAO
7.1 Function
This chart shall provide flight crews with information to facilitate navigation
along ATS routes in compliance with air traffic services procedures.
Note. β Simplified versions of these charts are appropriate for inclusion in
Aeronautical Information Publications to complement the tabulation of
communication and navigation facilities.
7.2 Availability
7.2.1 The Enroute Chart β ICAO shall be made available in the manner prescribed
in 1.3.2 for all areas where flight information regions have been established.
7.2.2 Where different air traffic services routes, position reporting requirements or
lateral limits of flight information regions or control areas exist in different layers
of airspace and cannot be shown with sufficient clarity on one chart, separate
charts shall be provided.
7.3 Coverage and scale
Note 1. β A uniform scale for charts of this type cannot be specified due to the
varying degree of congestion of information in certain areas.
Note 2. β A linear scale based on the mean scale of the chart may be shown.
7.3.1 Layout of sheet lines shall be determined by the density and pattern of the
ATS route structure.
7.3.2 Large variations of scale between adjacent charts showing a continuous route
structure shall be avoided.
7.3.3 An adequate overlap of charts shall be provided to ensure continuity of
navigation.
7.4 Projection
7.4.1 A conformal projection on which a straight line approximates a great circle
shall be used.
Note: Existing charts where Mercator projection is used will continue to be in
use till they are modified/ amended. New chart shall conform to the above
provision.
7.4.2 Parallels and meridians shall be shown at suitable intervals.
7.4.3 Graduation marks shall be placed at consistent intervals along selected
parallels and meridians.
33CIVIL AVIATION REQUIREMENTS SECTION 9
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7.5 Identification
Each sheet shall be identified by chart series and number.
7.6 Culture and topography
7.6.1 Generalized shore lines of all open water areas, large lakes and rivers shall be
shown except where they conflict with data more applicable to the function of
the chart.
7.6.2 Within each quadrilateral formed by the parallels and meridians the area
minimum altitude shall be shown, except as provided for in 7.6.3.
Note 1. β Quadrilaterals formed by the parallels and meridians normally
correspond to the whole degree of latitude and longitude. Regardless of the
chart scale being used, the area minimum altitude relates to the consequent
quadrilateral.
Note 2. β Refer to the Procedures for Air Navigation β Aircraft Operations
(PANS-OPS, Doc 8168), Volume II, Part I, Section 2, Chapter 1, paragraph
1.8 for method for determination of area minimum altitude.
7.6.3 In areas of high latitude where it is determined that True North orientation of the
chart is impractical, the area minimum altitude shall be shown within each
quadrilateral formed by reference lines of the graticule (grid) used.
7.6.4 Where charts are not True North orientated, this fact and the selected
orientation used shall be clearly indicated.
7.7 Magnetic variation
Isogonals shall be indicated and the date of the isogonic information given.
7.8 Bearings, tracks and radials
7.8.1 Bearings, tracks and radials shall be magnetic. Where bearings and tracks are
additionally provided as true values for RNAV segments, they shall be shown in
parentheses to the nearest tenth of a degree, e.g. 290Β° (294.9Β°T).
7.8.2 Reserved
7.8.3 Where bearings, tracks or radials are given with reference to True North or Grid
North, this shall be clearly indicated. When Grid North is used, its reference grid
meridian shall be identified.
7.9 Aeronautical data
7.9.1 Aerodromes
All aerodromes to which an instrument approach can be made shall be shown.
Note. β Other aerodromes may be shown.
34CIVIL AVIATION REQUIREMENTS SECTION 9
SERIES βGβ PART I October 2024
7.9.2 Prohibited, restricted and danger areas
Prohibited, restricted and danger areas relevant to the layer of airspace, shall
be depicted with their identification and vertical limits.
7.9.3 Air traffic services system
7.9.3.1 Where appropriate, the components of the established air traffic services
system shall be shown.
7.9.3.1.1 The components shall include the following:
1) the radio navigation aids associated with the air traffic services system
together with their names, identifications, frequencies and geographical
coordinates in degrees, minutes and seconds;
2) in respect of DME, additionally the elevation of the transmitting antenna of
the DME to the nearest 30 m (100 ft);
3) an indication of all designated airspace, including lateral and vertical limits
and the appropriate class of airspace;
4) all ATS routes for en-route flight including route designators, , the track to
the nearest degree in both directions along each segment of the routes and,
where established, the designation of the navigation specification(s)
including any limitation and the direction of traffic flow
Note. β Guidance material on the organization of ATS routes for en-route
flight publication which may be used to facilitate charting is contained in the
Aeronautical Information Services Manual. (Doc 8126)
5) all significant points which define the ATS routes and are not marked by the
position of a radio navigation aid, together with their name-codes and
geographical coordinates in degrees, minutes and seconds;
6) in respect of waypoints defining VOR/DME area navigation routes,
additionally,
a) the station identification and radio frequency of the reference
VOR/DME;
b) the bearing to the nearest tenth of a degree and the distance to the
nearest two-tenths of a kilometre (tenth of a nautical mile) from the
reference VOR/ DME, if the waypoint is not collocated with it;
7) an indication of all compulsory and βon-requestβ reporting points and
ATS/MET reporting points;
8) the distances to the nearest kilometre or nautical mile between significant
points constituting turning points or reporting points;
Note. β Overall distances between radio navigation aids may also be shown.
35CIVIL AVIATION REQUIREMENTS SECTION 9
SERIES βGβ PART I October 2024
9) change-over points on route segments defined by reference to very high
frequency omnidirectional radio ranges, indicating the distances to the
nearest kilometre or nautical mile to the navigation aids;
Note. β Change-over points established at the midpoint between two aids,
or at the intersection of two radials in the case of a route which changes
direction between the aids, need not be shown for each route segment if a
general statement regarding their existence is made.
10) en-route altitudes and minimum obstacle clearance altitudes on ATS routes
to the nearest higher 50 metres or 100 feet;
11) communication facilities listed with their frequencies channels and, if
applicable, logon address and satellite voice communications (SATVOICE);
12) air defence identification zone (ADIZ) properly identified.
Note. β ADIZ procedures may be described in the chart legend.
7.9.4 Supplementary information
7.9.4.1 Details of departure and arrival routes and associated holding patterns in
terminal areas shall be shown unless they are shown on an Area Chart, a
Standard Departure Chart β Instrument (SID) β ICAO or a Standard Arrival
Chart β Instrument (STAR) β ICAO.
Note 1. β For specifications of these charts see para 8, 9 and 10.
Note 2. β Departure routes normally originate at the end of a runway; arrival
routes normally terminate at the point where an instrument approach is initiated.
7.9.4.2 Where established, altimeter setting regions shall be shown and identified.
36CIVIL AVIATION REQUIREMENTS SECTION 9
SERIES βGβ PART I October 2024
8 AREA CHART β ICAO
8.1 Function
This chart shall provide the flight crew with information to facilitate the following
phases of instrument flight:
a) the transition between the en-route phase and approach to an aerodrome;
b) the transition between take-off/missed approach and enroute phase of
flight; and
c) flights through areas of complex ATS routes or airspace structure.
Note. β The function described in 8.1 c) may be satisfied by a separate
chartor an inset on an Enroute Chart β ICAO.
8.2 Availability
8.2.1 The Area Chart β ICAO shall be made available in the manner prescribed
in1.3.2 where the air traffic services routes or position reporting requirements are
complex and cannot be adequately shown on an Enroute Chart β ICAO.
8.2.2 Where air traffic services routes or position reporting requirements are different
for arrivals and for departures, and these cannot be shown with sufficient clarity
on one chart, separate charts shall be provided.
8.3 Coverage and scale
8.3.1 The coverage of each chart shall extend to points that effectively show departure
and arrival routes.
8.3.2 The chart shall be drawn to scale and a scale-bar shown.
8.4 Projection
8.4.1 A conformal projection on which a straight line approximates a great circle
shall be used.
Note: Existing charts where Mercator projection is used will continue to be in
use till they are modified/ amended. New chart shall conform to the above
provision.
8.4.2 Parallels and meridians shall be shown at suitable intervals.
8.4.3 Graduation marks shall be placed at consistent intervals along the neat lines,
as appropriate.
37CIVIL AVIATION REQUIREMENTS SECTION 9
SERIES βGβ PART I October 2024
8.5 Identification
The chart shall be identified by a name associated with the airspace portrayed.
Note. β The name may be that of the air traffic services centre, the name of the
largest city or town situated in the area covered by the chart or the name of the
city that the aerodrome serves. Where more than one aerodrome serves the
city or town, the name of the aerodrome on which the procedures are based
should be added.
8.6 Culture and topography
8.6.1 Generalized shorelines of all open water areas, large lakes and rivers shall be
shown except where they conflict with data more applicable to the function of
the chart.
8.6.2 To improve situational awareness in areas where significant relief exists, all
relief exceeding 300 m (1 000 ft) above the elevation of the primary aerodrome
shall be shown by smoothed contour lines, contour values and layer tints printed
in brown. Appropriate spot elevations, including the highest elevation within
each top contour line, shall be shown printed in black. Obstacles shall also be
shown.
Note 1. β The next higher suitable contour line appearing on base topographic
maps exceeding 300 m (1 000 ft) above the elevation of the primary aerodrome
may be selected to start layer tinting.
Note 2.β An appropriate brown colour, on which half-tone layer tinting is to be
based, is specified in Appendix 3 β Colour Guide for contours and topographic
features.
Note 3. β Appropriate spot elevations and obstacles are those provided by the
procedures specialist.
8.7 Magnetic variation
The average magnetic variation of the area covered by the chart shall be shown
to the nearest degree.
8.8 Bearings, tracks and radials
8.8.1 Bearings, tracks and radials shall be magnetic. Where bearings and tracks are
additionally provided as true values for RNAV segments, they shall be shown in
parentheses to the nearest tenth of a degree, e.g. 290Β° (294.9Β°T).
8.8.2 Reserved
8.8.3 Where bearings, tracks or radials are given with reference to True North or Grid
North, this shall be clearly indicated. When Grid North is used, its reference grid
meridian shall be identified.
38CIVIL AVIATION REQUIREMENTS SECTION 9
October 2024
SERIES βGβ PART I
8.9 Aeronautical data
8.9.1 Aerodromes
All aerodromes which affect the terminal routings shall be shown. Where
appropriate, a runway pattern symbol shall be used.
8.9.2 Prohibited, restricted and danger areas
Prohibited, restricted and danger areas shall be depicted with their
identification and vertical limits.
8.9.3 Area minimum altitudes
Area minimum altitudes shall be shown within quadrilaterals formed by the
parallels and meridians.
Note 1. β Quadrilaterals formed by the parallels and meridians normally
correspond to the whole degree of latitude and longitude. Regardless of the
chart scale being used, the area minimum altitude relates to the consequent
quadrilateral.
Note 2.β Refer to the Procedures for Air Navigation β Aircraft Operations
(PANS-OPS, Doc 8168), Volume II, Part I, Section 2, Chapter 1, paragraph1.8
for method for determination of area minimum altitude.
8.9.4 Air traffic services system
8.9.4.1 The components of the established relevant air traffic services system shall
be shown.
8.9.4.1.1 The components shall include the following:
1) the radio navigation aids associated with the air traffic services system
together with their names, identifications, frequencies and geographical
coordinates in degrees, minutes and seconds;
2) in respect of DME, additionally the elevation of the transmitting antenna of
the DME to the nearest 30 m (100 ft);
3) terminal radio aids which are required for outbound and inbound traffic and
for holding patterns;
4) the lateral and vertical limits of all designated airspace and the appropriate
class of airspace;
5) the designation of the navigation specification(s) including any limitations,
where established;
6) holding patterns and terminal routings, together with the route designators,
and the track to the nearest degree along each segment of the prescribed
airways and terminal routings;
39CIVIL AVIATION REQUIREMENTS SECTION 9
October 2024
SERIES βGβ PART I
7) all significant points which define the terminal routings and are not marked by
the position of a radio navigation aid, together with their name-codes and
geographical coordinates in degrees, minutes and seconds;
8) in respect of waypoints defining VOR/DME area navigation routes,
additionally,
a) the station identification and radio frequency of the reference VOR/DME;
b) the bearing to the nearest tenth of a degree and the distance to the
nearest two-tenths of a kilometre (tenth of a nautical mile) from the
reference VOR/DME, if the waypoint is not collocated with it;
9) an indication of all compulsory and βon-requestβ reporting points;
10) the distances to the nearest kilometre or nautical mile between significant
points constituting turning points or reporting points;
Note. β Overall distances between radio navigation aids may also be shown.
11) change-over points on route segments defined by reference to very high
frequency omnidirectional radio ranges, indicating the distances to the
nearest kilometre or nautical mile to the radio navigation aids;
Note. β Change-over points established at midpoint between two aids, or at
the intersection of two radials in the case of a route which changes direction
between the aids, need not be shown for each route segment if a general
statement regarding their existence is made.
12) minimum flight altitudes on ATS routes to the nearest higher 50 m or 100 ft;
13) established minimum vectoring altitudes to the nearest higher 50 m or 100
ft, clearly identified;
Note 1.β Where radar procedures are used to vector aircraft to or from
significant points on a published standard departure or arrival route or to issue
clearance for descent below the minimum sector altitude during arrival, the
radar procedures may be shown on the Area Chart β ICAO unless excessive
chart clutter will result.
Note 2. β Where excessive chart clutter will result, a ATC Surveillance
Minimum Altitude Chart β ICAO may be provided (see Para 21), in which case
the elements indicated by 8.9.4.1.1, 12), need not be duplicated on the Area
Chart β ICAO.
14) area speed and level/altitude restrictions where established;
15) radio communication facilities listed with their channels and,
if applicable, logon address and SATVOICE number, and
16) an indication of βflyoverβ significant points.
40CIVIL AVIATION REQUIREMENTS SECTION 9
October 2024
SERIES βGβ PART I
9 STANDARD DEPARTURE CHART β INSTRUMENT (SID) β ICAO
9.1 Function
This chart shall provide the flight crew with information to enable it to comply
with the designated standard departure route β instrument from take-off phase
to the en-route phase.
9.2 Availability
The Standard Departure Chart β Instrument (SID) β ICAO shall be made
available wherever a standard departure route β instrument has been
established and cannot be shown with sufficient clarity on the Area Chart β
ICAO.
9.3 Coverage and scale
9.3.1 The coverage of the chart shall be sufficient to indicate the point where the
departure route begins and the specified significant point at which the en- route
phase of flight along a designated air traffic services route can be commenced.
Note. β The departure route normally originates at the end of a runway.
9.3.2 The chart shall be drawn to scale.
9.3.3 If the chart is drawn to scale, a scale-bar shall be shown.
9.3.4 Reserved
9.4 Projection
9.4.1 A conformal projection on which a straight line approximates a great circle
shall be used.
9.4.2 When the chart is drawn to scale, parallels and meridians shall be shown at
suitable intervals.
9.4.3 Graduation marks shall be placed at consistent intervals along the neat lines.
9.5 Identification
The chart shall be identified by the name of the city or town, or area, which the
aerodrome serves, the name of the aerodrome and the identification of the
standard departure route(s) β instrument as established in accordance with the
Procedures for Air Navigation Services β Aircraft Operations (PANS-OPS, Doc
8168), Volume II, Part I, Section 3, Chapter 5.
Note. β The identification of the standard departure route(s) β instrument is
provided by the procedures specialist.
41CIVIL AVIATION REQUIREMENTS SECTION 9
October 2024
SERIES βGβ PART I
9.6 Culture and topography
9.6.1 Where the chart is drawn to scale, generalized shore lines of all open water
areas, large lakes and rivers shall be shown except where they conflict with
data more applicable to the function of the chart.
9.6.2 To improve situational awareness in areas where significant relief exists, the
chart shall be drawn to scale and all relief exceeding 300 m (1 000 ft) above the
aerodrome elevation should be shown by smoothed contour lines, contour
values and layer tints printed in brown. Appropriate spot elevations, including
the highest elevation within each top contour line, shall be shown printed in
black. Obstacles shall also be shown.
Note 1. β The next higher suitable contour line appearing on base topographic
maps exceeding 300 m (1 000 ft) above the aerodrome elevation may be
selected to start layer tinting.
Note 2.β An appropriate brown colour, on which half-tone layer tinting is to be
based, is specified in Appendix 3 β Colour Guide for contours and topographic
features.
Note 3. β Appropriate spot elevations and obstacles are those provided by the
procedures specialist.
9.7 Magnetic variation
Magnetic variation used in determining the magnetic bearings, tracks and
radials shall be shown to the nearest degree.
9.8 Bearings, tracks and radials
9.8.1 Bearings, tracks and radials shall normally be magnetic. Where bearings and
tracks are additionally provided as true values for RNAV segments, they shall
be shown in parentheses to the nearest tenth of a degree, e.g. 290Β° (294.9Β°T).
9.8.2 Reserved
9.8.3 Where bearings, tracks or radials are given with reference to True North or Grid
North, this shall be clearly indicated. When Grid North is used its reference grid
meridian shall be identified.
9.9 Aeronautical data
9.9.1 Aerodromes
9.9.1.1 The aerodrome of departure shall be shown by the runway pattern.
9.9.1.2 All aerodromes which affect the designated standard departure route β
instrument shall be shown and identified. Where appropriate the aerodrome
runway patterns shall be shown.
42CIVIL AVIATION REQUIREMENTS SECTION 9
October 2024
SERIES βGβ PART I
9.9.2 Prohibited, restricted and danger areas
Prohibited, restricted and danger areas which may affect the execution of the
procedures shall be shown with their identification and vertical limits.
9.9.3 Minimum sector altitude
9.9.3.1 The established minimum sector altitude, shall be shown with a clear
indication of the sector to which it applies.
9.9.3.2 Where the minimum sector altitude has not been established, the chart shall
be drawn to scale and area minimum altitudes shall be shown within
quadrilaterals formed by the parallels and meridians. Area minimum altitudes
shall also be shown in those parts of the chart not covered by the minimum
sector altitude.
Note 1. β Quadrilaterals formed by the parallels and meridians normally
correspond to the half degree of latitude and longitude. Regardless of the chart
scale being used, the area minimum altitude relates to the consequent
quadrilateral.
Note 2. β Refer to the Procedures for Air Navigation β Aircraft Operations
(PANS- OPS, Doc 8168), Volume II, Part I, Section 2, Chapter 1, paragraph
1.8 for method for determination of area minimum altitude.
9.9.4 Air traffic services system
9.9.4.1The components of the established relevant air traffic services system shall
be shown.
9.9.4.1.1 The components shall comprise the following:
1) a graphic portrayal of each standard departure route β instrument,
including:
a) for departure procedures designed specifically for helicopters the
term βCAT Hβ shall be depicted in the departure chart plan view,
b) route designator;
c) significant points defining the route;
d) track or radial to the nearest degree along each segment of the route;
e) distances to the nearest kilometre or nautical mile between significant
points;
f) minimum flight altitudes along the route or route segments and altitudes
required by the procedure to the nearest higher 50 m or 100 ft and flight
level restrictions where established;
43CIVIL AVIATION REQUIREMENTS SECTION 9
SERIES βGβ PART I October 2024
g) where the chart is drawn to scale and radar vectoring on departure is
provided, established minimum vectoring altitudes to the nearest higher
50 m or 100 ft, clearly identified;
h) for PBN procedures, a PBN requirement box;
h) Note.β Refer to the procedures for Air Navigation Services β
Aircraft Operations (PANS-OPS), Doc 8186), Volume II, PART III,
Section 5 for information on a PBN requirements Box.
Note 1.β Where radar procedures are used to vector aircraft to or from
significant points on a published standard departure route, the radar
procedures may be show on the Standard Departure Chart β Instrument
(SID) β ICAO unless excessive chart clutter will result.
Note 2. β Where excessive chart clutter will result, a ATC Surveillance
Minimum Altitude Chart β ICAO may be provided (see para 21), in which
case the elements indicated by 9.9.4.1.1, 1) f), need not be duplicated
on the Standard Departure Chart β Instrument (SID) β ICAO.
2) the radio navigation aid(s) associated with the route(s) including:
i) when the radio navigation aid is used for conventional navigation:
a) plain language name;
b) identification;
c) Morse code;
d) frequency;
e) geographical coordinates in degrees, minutes and seconds; and
f) for DME, the channel and the elevation of the
transmitting antenna of the DME to the nearest 30 m
(100 ft);
ii) when the radio navigation aid is used as a significant point for
area navigation:
a) plain language name; and
b) identification;
3) significant points not marked by the position of a radio navigation aid including:
i) when the significant point is used for conventional navigation:
a) name-code;
44CIVIL AVIATION REQUIREMENTS SECTION 9
SERIES βGβ PART I October 2024
b) geographical coordinates in degrees, minutes and seconds;
c) bearing to the nearest tenth of a degree from the reference
radio navigation aid;
d) distance to the nearest two-tenths of a kilometre (tenth of a
nautical mile) from the reference radio navigation aid; and
e) identification of the reference radio navigation aid;
f) ii) when the significant point is used for area navigation:
a) name-code;
4) applicable holding patterns;
5) transition altitude/height to the nearest higher 300 m or 1 000 ft;
6) the position and height of close-in obstacles which penetrate the obstacle
identification surface (OIS). A note shall be included whenever close-in
obstacles penetrating the OIS exist but which were not considered for the
published procedure design gradient;
Note. β In accordance with PANS-OPS, Volume II, information on close-in
obstacles is provided by the procedures specialist.
7) area speed restrictions, where established;
8) the designation of the navigation specification(s) including any limitations,
where established;
9) all compulsory and βon-requestβ reporting points;
10) radio communication procedures, including:
a) call sign(s) of ATS unit(s);
b) frequency and; if applicable, SATVOICE number,
c) transponder setting, where appropriate.
11) an indication of βflyoverβ significant points.
9.9.4.2 A textual description of standard departure route(s) β instrument (SID) and
communication failure procedures in relation to radar control shall be provided
and shall, whenever feasible, be shown on the chart or on the same page which
contains the chart.
9.9.4.3 Aeronautical database requirements. Appropriate data to support navigation
database coding shall be published in accordance with the Procedures for Air
Navigation Services β Aircraft Operations (PANS-OPS, Doc 8168), Volume II,
Part III, Section 5, Chapter 2, 2.1, on the verso of the chart or as a separate,
45CIVIL AVIATION REQUIREMENTS SECTION 9
SERIES βGβ PART I October 2024
9.9.4.4 properly referenced sheet.
Note. β Appropriate data are those provided by the procedures specialist.
46CIVIL AVIATION REQUIREMENTS SECTION 9
SERIES βGβ PART I October 2024
10 STANDARD ARRIVAL CHART β INSTRUMENT (STAR) β ICAO
10.1 Function
This chart shall provide the flight crew with information to enable it to comply
with the designated standard arrival route β instrument from the en-route phase
to the approach phase.
10.2 Availability
The Standard Arrival Chart β Instrument (STAR) β ICAO shall be made
available wherever a standard arrival route β instrument has been established
and cannot be shown with sufficient clarity on the Area Chart.
10.3 Coverage and scale
10.3.1 The coverage of the chart shall be sufficient to indicate the points where the
en-route phase ends and the approach phase begins.
10.3.2 The chart shall be drawn to scale.
10.3.3 If the chart is drawn to scale, a scale-bar shall be shown.
10.3.4 Reserved
10.4 Projection
10.4.1 A conformal projection on which a straight line approximates a great circle
shall be used.
10.4.2 When the chart is drawn to scale, parallels and meridians shall be shown at
suitable intervals.
10.4.3 Graduation marks shall be placed at consistent intervals along the neat lines.
10.5 Identification
The chart shall be identified by the name of the city or town, or area, which the
aerodrome serves, the name of the aerodrome, and the identification of the
standard arrival route(s) - instrument as established in accordance with the
Procedures for Air Navigation Services β Aircraft Operations (PANS-OPS, Doc
8168), Volume II, Part I, Section 4, Chapter 2.
Note. β The identification of the standard arrival route(s) β instrument is
provided by the procedures specialist.
10.6 Culture and topography
10.6.1 Where the chart is drawn to scale, generalized shore lines of all open water
areas, large lakes and rivers shall be shown except where they conflict with data
more applicable to the function of the chart.
47CIVIL AVIATION REQUIREMENTS SECTION 9
SERIES βGβ PART I October 2024
10.6.2 To improve situational awareness in areas where significant relief exists, the
chart shall be drawn to scale and all relief exceeding 300 m (1 000 ft) above the
aerodrome elevation shall be shown by smoothed contour lines, contour values
and layer tints printed in brown. Appropriate spot elevations, including the
highest elevation within each top contour line, shall be shown printed in black.
Obstacles shall also be shown.
Note. β The next higher suitable contour line appearing on base topographic
maps exceeding 300 m (1 000 ft) above the aerodrome elevation may be
selected to start layer tinting.
Note 2.β An appropriate brown colour, on which half-tone layer tinting is to be
based, is specified in Appendix 3 β Colour Guide for contours and topographic
features.
Note 3. β Appropriate spot elevations and obstacles are those provided by the
procedures specialist.
10.7 Magnetic variation
Magnetic variation used in determining the magnetic bearings, tracks and
radials shall be shown to the nearest degree.
10.8 Bearings, tracks and radials
10.8.1 Bearings, tracks and radials shall be magnetic. Where bearings and tracks are
additionally provided as true values for RNAV segments, they shall be shown in
parentheses to the nearest tenth of a degree, e.g. 290Β° (294.9Β°T).
Note. β A note to this effect may be included on the chart.
10.8.2 Reserved
10.8.3 Where bearings, tracks or radials are given with reference to True North or Grid
North, this shall be clearly indicated. When Grid North is used its reference grid
meridian shall be identified.
10.9 Aeronautical data
10.9.1 Aerodromes
10.9.1.1 The aerodrome of landing shall be shown by the runway pattern.
10.9.1.2 All aerodromes which affect the designated standard arrival route β
instrument shall be shown and identified. Where appropriate the aerodrome
runway patterns shall be shown.
10.9.2 Prohibited, restricted and danger areas
Prohibited, restricted and danger areas which may affect the execution of the
procedures shall be shown with their identification and vertical limits.
48CIVIL AVIATION REQUIREMENTS SECTION 9
SERIES βGβ PART I October 2024
10.9.3 Minimum sector altitude
10.9.3.1 The established minimum sector altitude shall be shown with a clear
indication of the sector to which it applies.
10.9.3.2 Where the minimum sector altitude has not been established, the chart shall
be drawn to scale and area minimum altitudes shall be shown within
quadrilaterals formed by the parallels and meridians. Area minimum altitudes
shall also be shown in those parts of the chart not covered by the minimum
sector altitude.
Note 1. β Quadrilaterals formed by the parallels and meridians normally
correspond to the half degree of latitude and longitude. Regardless of the chart
scale being used, the area minimum altitude relates to the consequent
quadrilateral.
Note 2. β Refer to the Procedures for Air Navigation β Aircraft Operations
(PANS-OPS, Doc 8168), Volume II, Part I, Section 2, Chapter 1, paragraph
1.8 for method for determination of area minimum altitude.
10.9.4 Air traffic services system
10.9.4.1 The components of the established relevant air traffic services system shall
be shown.
10.9.4.1.1 The components shall comprise the following:
1) a graphic portrayal of each standard arrival route β instrument, including:
a) route designator;
b) significant points defining the route;
c) track or radial to the nearest degree along each segment of the route;
d) distances to the nearest kilometre or nautical mile between
significant points;
e) minimum flight altitudes along the route or route segments and
altitudes required by the procedure to the nearest higher 50 m or 100
ft and flight level restrictions where established;
f) where the chart is drawn to scale and radar vectoring on arrival is
provided, established minimum vectoring altitudes to the nearest
higher 50 m or 100 ft, clearly identified;
g) for PBN procedures, a PBN requirement box;
Noteβ Refer to the procedures for Air Navigation Services β Aircraft
Operations (PANS-OPS), Doc 8186), Volume II, PART III, Section 5 for
information on a PBN requirements Box
49CIVIL AVIATION REQUIREMENTS SECTION 9
SERIES βGβ PART I October 2024
f)
Note 1.β Where radar procedures are used to vector aircraft to or from
significant points on a published standard arrival route or to issue clearance for
descent below the minimum sector altitude during arrival, the radar procedures
may be shown on the Standard Arrival Chart β Instrument (STAR) β ICAO
unless excessive chart clutter will result.
Note 2. β Where excessive chart clutter will result, a ATC Surveillance
Minimum Altitude Chart β ICAO may be provided (see para 21), in which case
the elements indicated by 10.9.4.1.1, 1) f), need not be duplicated on the
Standard Arrival Chart β Instrument (STAR) β ICAO.
2) the radio navigation aid(s) associated with the route(s)
including:
i) when the radio navigation aid is used for conventional navigation:
a) plain language name;
b) identification;
c) Morse code;
d) frequency;
e) geographical coordinates in degrees, minutes and seconds; and
f) for DME, the channel and the elevation of the transmitting
antenna of the DME to the nearest 30 m (100 ft);
ii) when the radio navigation aid is used as a significant point for
area navigation:
a) plain language name;
and b) identification;
3) significant points not marked by the position of a radio navigation aid including:
i) when the significant point is used for conventional navigation:
a) name-code;
b) geographical coordinates in degrees, minutes and seconds;
c) bearing to the nearest tenth of a degree from the reference
radio navigation aid;
d) distance to the nearest two-tenths of a kilometre (tenth of a nautical
mile) from the reference radio navigation aid;
50CIVIL AVIATION REQUIREMENTS SECTION 9
SERIES βGβ PART I October 2024
e) identification of the reference radio navigation aid;
ii) when the significant point is used for area navigation:
a) name-code;
4) applicable holding patterns;
5) transition altitude/height to the nearest higher 300 m or 1 000 ft;
6) area speed restrictions, where established;
7) the designation of the navigation specification(s) including any limitations,
where established;
8) all compulsory and βon-requestβ reporting points;
9) radio communication procedures, including:
a) call sign(s) of ATS unit(s);
b) frequency and; if applicable, SATVOICE number,
c) transponder setting, where appropriate.
10) an indication of βflyoverβ significant waypoints and
11) for arrival procedures to an instrument approach designed specifically for
helicopters the term βCAT Hβ shall be depicted in the arrival chart plan view.
10.9.4.2 A textual description of standard arrival route(s) β instrument (STAR) and
communication failure procedures in relation to radar control shall be
provided and shall, whenever feasible, be shown on the chart or on the same
page which contains the chart.
10.9.4.3 Aeronautical database requirements. Appropriate data to support navigation
database coding shall be published in accordance with the Procedures for
Air Navigation Services β Aircraft Operations (PANS-OPS, Doc 8168),
Volume II, Part III, Section 5, Chapter 2, 2.2 on the verso of the chart or as
a separate, properly referenced sheet.
Note. β Appropriate data are those provided by the procedures specialist.
51CIVIL AVIATION REQUIREMENTS SECTION 9
SERIES βGβ PART I October 2024
11 INSTRUMENT APPROACH CHART β ICAO
11.1 Function
This chart shall provide flight crews with information which will enable them to
perform an approved instrument approach procedure to the runway of intended
landing including the missed approach procedure and where applicable,
associated holding patterns.
11.2 Availability
11.2.1 Instrument Approach Charts β ICAO shall be made available for
all aerodromes used where instrument approach procedures have
been established.
11.2.2 A separate Instrument Approach Chart β ICAO shall be provided for each
precision / non-precision approach procedure.
11.2.3 Reserved
11.2.4 Reserved
11.2.5 Instrument Approach Charts β ICAO shall be revised whenever information
essential to safe operation becomes out of date.
11.3 Coverage and scale
11.3.1 The coverage of the chart shall be sufficient to include all segments of the
instrument approach procedure and such additional areas as may be necessary
for the type of approach intended.
11.3.2 The scale selected shall ensure optimum legibility consistent with:
11.3.2.1 the procedure shown on the chart;
11.3.2.2 sheet size.
11.3.3 A scale indication shall be given.
11.3.3.1 Except where this is not practicable, a distance circle with a radius of 20 km
(10 NM) centred on a DME located on or close to the aerodrome, or on the
aerodrome reference point where no suitable DME is available, shall be shown;
its radius shall be indicated on the circumference.
11.3.3.2 A distance scale shall be shown directly below the profile.
11.4 Format
The sheet size shall be A4 size. (210 x 297mm)
52CIVIL AVIATION REQUIREMENTS SECTION 9
SERIES βGβ PART I October 2024
11.5 Projection
11.5.1 A conformal projection on which a straight line approximates a great circle
shall be used.
11.5.2 Graduation marks shall be placed at consistent intervals along the neat lines.
11.6 Identification
The chart shall be identified by the name of the city or town, or area, which the
aerodrome serves, the name of the aerodrome and the identification of the
instrument approach procedure as established in accordance with the
Procedures for Air Navigation Services β Aircraft Operations (PANS-OPS, Doc
8168), Volume II, Part I, Section 4, Chapter 9.
Note. β The identification of the instrument approach procedure is provided by
the procedures specialist.
11.7 Culture and topography
11.7.1 Culture and topographic information pertinent to the safe execution of the
instrument approach procedure, including the missed approach procedure,
associated holding procedures and visual manoeuvring (circling) procedure
when established, shall be shown. Topographic information shall be named,
only when necessary, to facilitate the understanding of such information, and
the minimum shall be a delineation of land masses and significant lakes and
rivers.
11.7.2 Relief shall be shown in a manner best suited to the particular elevation
characteristics of the area. In areas where relief exceeds 1 200 m (4 000 ft)
above the aerodrome elevation within the coverage of the chart or 600 m (2 000
ft) within 11 km (6 NM) of the aerodrome reference point or when final approach
or missed approach procedure gradient is steeper than optimal due to terrain,
all relief exceeding 150 m (500 ft) above the aerodrome elevation shall be shown
by smoothed contour lines, contour values and layer tints printed in brown.
Appropriate spot elevations, including the highest elevation within each top
contour line, shall also be shown printed in black.
Note 1. β The next higher suitable contour line appearing on base topographic
maps exceeding 150 m (500 ft) above the aerodrome elevation may be selected
to start layer tinting.
Note 2.β An appropriate brown colour, on which half-tone layer tinting is to be
based, is specified in Appendix 3 β Colour Guide for contours and topographic
features.
Note 3. β Appropriate spot elevations are those provided by the procedures
specialist.
53CIVIL AVIATION REQUIREMENTS SECTION 9
SERIES βGβ PART I October 2024
11.7.3 In areas where relief is lower than specified in 11.7.2, all relief exceeding 150
m (500 ft) above the aerodrome elevation shall be shown by smoothed contour
lines, contour values and layer tints printed in brown. Appropriate spot
elevations, including the highest elevation within each top contour line, shall
also be shown printed in black.
Note 1. β The next higher suitable contour line appearing on base topographic
maps exceeding 150 m (500 ft) above the aerodrome elevation may be selected
to start layer tinting.
Note 2.β An appropriate brown colour, on which half-tone layer tinting is to be
based, is specified in Appendix 3 β Colour Guide for contours and topographic
features.
Note 3. β Appropriate spot elevations are those provided by the procedures
specialist.
11.8 Magnetic variation
11.8.1 The magnetic variation shall be shown.
11.8.2 The value of the variation, indicated to the nearest degree, shall agree with that
used in determining magnetic bearings, tracks and radials.
11.9 Bearings, tracks and radials
11.9.1 Bearings, tracks and radials shall normally be magnetic. Where bearings and
tracks are additionally provided as true values for RNAV segments, they shall
be shown in parentheses to the nearest tenth of a degree, e.g. 290Β° (294.9Β°T).
11.9.2 Reserved
11.9.3 Where bearings, tracks or radials are given with reference to True North or Grid
North, this shall be clearly indicated. When Grid North is used its reference grid
meridian shall be identified.
11.10 Aeronautical data
11.10.1 Aerodromes
11.10.1.1 All aerodromes which show a distinctive pattern from the air shall be shown
by the appropriate symbol. Abandoned aerodromes shall be identified as
abandoned.
11.10.1.2 The runway pattern, at a scale sufficiently large to show it clearly, shall be
shown for:
1) the aerodrome on which the procedure is based;
2) aerodromes affecting the traffic pattern or so situated as to be likely, under
adverse weather conditions, to be mistaken for the aerodrome of intended
landing.
54CIVIL AVIATION REQUIREMENTS SECTION 9
SERIES βGβ PART I October 2024
11.10.1.3 The aerodrome elevation shall be shown to the nearest metre or foot in a
prominent position on the chart.
11.10.1.4 The threshold elevation or, where applicable, the highest elevation of the
touchdown zone shall be shown to the nearest metre or foot.
11.10.2 Obstacles
11.10.2.1 Obstacles shall be shown on the plan view of the chart.
Note. β Appropriate obstacles are those provided by the procedures specialist.
11.10.2.2 If one or more obstacles are the determining factor of an obstacle clearance
altitude/ height, those obstacles shall be identified.
11.10.2.3 The elevation of the top of obstacles shall be shown to the nearest (next
higher) metre or foot.
11.10.2.4 The heights of obstacles above a datum other than mean sea level (see
11.10.2.3) should be shown. When shown, they shall be given in parentheses
on the chart.
11.10.2.5 When the heights of obstacles above a datum other than mean sea level are
shown, the datum shall be the aerodrome elevation except that, at aerodromes
having an instrument runway (or runways) with a threshold elevation more than
2 m (7 ft) below the aerodrome elevation, the chart datum shall be the threshold
elevation of the runway to which the instrument approach is related.
11.10.2.6 Where a datum other than mean sea level is used, it shall be stated in a
prominent position on the chart.
11.10.2.7 Where an obstacle free zone has not been established for a precision
approach runway Category I, this shall be indicated.
11.10.3 Prohibited, restricted and danger areas:
Prohibited areas, restricted areas, and danger areas which may affect the
execution of the procedures shall be shown with their identification and vertical
limits.
11.10.4 Radio communication facilities and navigation aids
11.10.4.1 Radio navigation aids required for the procedures together with their
frequencies, identifications and track-defining characteristics, if any, shall be
shown. In the case of a procedure in which more than one station is located on
the final approach track, the facility to be used for track guidance for final
approach shall be clearly identified. In addition, consideration shall be given to
the elimination from the approach chart of those facilities that are not used by
the procedure.
11.10.4.1.1 When a radio navigation aid is used as a significant point for area
navigation, only its plain language name and identification shall be shown.
55CIVIL AVIATION REQUIREMENTS SECTION 9
SERIES βGβ PART I October 2024
11.10.4.2 The initial approach fix (IAF), the intermediate approach fix (IF), final approach
fix (or final approach point for an ILS approach procedure) and other essential
fixes or points comprising the procedure shall be shown and identified.
11.10.4.3 When the final approach fix is used for conventional navigation (or final
approach point for an ILS approach procedure), it should be identified with its
geographical coordinates in degrees, minutes and seconds.
11.10.4.4 Radio navigation aids that might be used in diversionary procedures
together with their track-defining characteristics, if any, shall be shown or
indicated on the chart.
11.10.4.5 Radio communication frequencies, including call signs that are required for
the execution of the procedures shall be shown.
11.10.4.6 When required by the procedures, the distance to the aerodrome from each
radio navigation aid concerned with the final approach shall be shown to the
nearest kilometer or nautical mile. When no track-defining aid indicates the
bearing of the aerodrome, the bearing shall also be shown to the nearest
degree.
11.10.5 Minimum sector altitude or terminal arrival altitude
The minimum sector altitude or terminal arrival altitude established by the
competent authority shall be shown, with a clear indication of the sector to which
it applies.
11.10.6 Portrayal of procedure tracks
11.10.6.1 The plan view shall show the following information in the manner indicated:
a) the approach procedure track by an arrowed continuous line indicating the
direction of flight;
b) the missed approach procedure track by an arrowed broken line;
c) any additional procedure track, other than those specified in a) and b), by an
arrowed dotted line;
d) bearings, tracks, radials to the nearest degree and distances to the nearest
two-tenths of a kilometre or tenth of a nautical mile or times required for the
procedure;
e) where no track-defining aid is available, the magnetic bearing to the nearest
degree to the aerodrome from the radio navigation aids concerned with the
final approach;
f) the boundaries of any sector in which visual manoeuvring (circling) is
prohibited;
g) where specified the holding pattern and minimum holding altitude/height
associated with the approach and missed approach;
56SECTION 9
CIVIL AVIATION REQUIREMENTS
October 2024
SERIES βGβ PART I
h) caution notes where required, prominently displayed on the face of the chart.
i) an indication of βflyoverβ significant points.
11.10.6.2 The plan view shall show the distance to the aerodrome from each radio
navigation aid concerned with the final approach.
11.10.6.3 A profile shall be provided normally below the plan view showing the
following data:
a) the aerodrome by a solid block at aerodrome elevation;
b) the profile of the approach procedure segments by an arrowed continuous
line indicating the direction of flight;
c) the profile of the missed approach procedure segment by an arrowed broken
line and a description of the procedure;
d) the profile of any additional procedure segment, other than those specified
in b) and c), by an arrowed dotted line;
e) bearings, tracks, radials to the nearest degree and distances to the nearest
two-tenths of a kilometre or tenth of a nautical mile or times required for the
procedure;
f) altitudes/heights required by the procedures, including transition altitude
procedure altitudes/heights, and heliport crossing height (HCH) where
established;
g) limiting distance to the nearest kilometre or nautical mile on procedure turn,
when specified;
h) the intermediate approach fix or point, on procedures where no course
reversal is authorized;
i) a line representing the aerodrome elevation or threshold elevation, as
appropriate, extended across the width of the chart including a distance
scale with its origin at the runway threshold.
11.10.6.4 Heights required by procedures shall be shown in parentheses, using the
height datum selected in accordance with 11.10.2.5.
11.10.6.5 The profile view shall include a ground profile or a minimum altitude/height
portrayal as follows:
a) a ground profile shown by a solid line depicting the highest elevations of the
relief occurring within the primary area of the final approach segment. The
highest elevations of the relief occurring in the secondary areas of the final
approach segment shown by a dashed line; or
b) minimum altitudes/heights in the intermediate and final approach segments
indicated within bounded shaded blocks.
57SECTION 9
CIVIL AVIATION REQUIREMENTS
October 2024
SERIES βGβ PART I
Note 1. β For the ground profile portrayal, actual templates of the primary and
secondary areas of the final approach segment are provided to the cartographer
by the procedures specialist.
Note 2. β The minimum altitude/height portrayal is intended for use on charts
depicting non-precision approaches with a final approach fix.
11.10.7 Aerodrome operating minima
11.10.7.1 Aerodrome operating minima when established by the State shall be
shown.
11.10.7.2 The obstacle clearance altitudes/heights for the aircraft categories for which
the procedure is designed shall be shown; for precision approach procedures,
additional OCA/H for Cat D aircraft (wing span between 65 m and 80 m and/or
L
vertical distance between the flight path of the wheels and the glide path
antenna between 7 m and 8 m) shall be published, when necessary.
11.10.8 Supplementary information
11.10.8.1 When the missed approach point is defined by:
β a distance from the final approach fix, or
β a facility or a fix and the corresponding distance from the final approach fix,
the distance to the nearest two-tenths of a kilometre or tenth of a nautical mile
and a table showing ground speeds and times from the final approach fix to the
missed approach point shall be shown.
11.10.8.2 When DME is required for use in the final approach segment, a table
showing altitudes/heights for each 2 km or 1 NM, as appropriate, shall
be shown. The table shall not include distances, which would correspond
to altitudes/ heights below the OCA/H.
11.10.8.3 For procedures in which DME is not required for use in the final approach
segment but where a suitably located DME is available to provide advisory
descent profile information, a table showing the altitudes/ heights shall be
included.
11.10.8.4 A rate of descent table shall be shown.
11.10.8.5 Final approach descent gradient and, in parenthesis, descent angle to the
nearest one tenth of a degree shall be shown for non-precision procedures
with a final approach fix.
11.10.8.6 For precision approach procedures and approach procedures with vertical
guidance, the reference datum height to the nearest half metre or foot and
the glide path/elevation/vertical path angle to the nearest one tenth of a degree
shall be shown.
58SECTION 9
CIVIL AVIATION REQUIREMENTS October 2024
SERIES βGβ PART I
11.10.8.7 When a final approach fix is specified at the final approach point for ILS, a
clear indication shall be given whether it applies to the ILS, the associated ILS
localizer only procedure, or both. In the case of MLS, a clear indication shall be
given when an FAF has been specified at the final approach point.
11.10.8.8 If the final approach descent gradient/angle for any type of instrument
approach procedure exceeds the maximum value specified in the
Procedures for Air Navigation Services β Aircraft Operations (PANS-OPS,
Doc 8168), Volume II, a cautionary note shall be included.
11.10.8.9 A note shall be included on the chart indicating the approach procedures
that are authorized for simultaneous independent or dependent
operations. The note shall include the runway(s) involved and if they are
closely spaced.
11.10.8.10 For approach procedures having PBN segments, a PBN requirement box
shall be included.
Note. Refer to the procedurres for Air Navigation Services β Aircraft
Operations (PANS-OPS, Doc 8168), Volume II, Section 5 for information on
a PBN requirement box.
11.10.9 Aeronautical database requirements. Appropriate data to support navigation
database coding shall be published in accordance with the Procedures for Air
Navigation Services β Aircraft Operations (Doc 8168), Volume II, Part
III, Section 5, Chapter 2, 2.3, for RNAV procedures and Volume II, Part I,
Section 4, Chapter 9, 9.4.1.3, for non-RNAV procedures, on the verso of the
chart or as a separate, properly referenced sheet.
Note. β Appropriate data are those provided by the procedures specialist.
59CIVIL AVIATION REQUIREMENTS SECTION 9
SERIES βGβ PART I October 2024
12 RESERVED
60CIVIL AVIATION REQUIREMENTS SECTION 9
SERIES βGβ PART I October 2024
13 AERODROME/HELIPORT CHART β ICAO
13.1 Function
This chart shall provide flight crews with information which will facilitate the
ground movement of aircraft:
a) from the aircraft stand to the runway; and
b) from the runway to the aircraft stand;
and helicopter movement:
a) from the helicopter stand to the touchdown and lift-off area and to the final
approach and take-off area;
b) from the final approach and take-off area to the touchdown and lift-off area
and to the helicopter stand;
c) along helicopter ground and air taxiways; and
d) along air transit routes;
It shall also provide essential operational information at the
aerodrome/heliport.
13.2 Availability
13.2.1 The Aerodrome/Heliport Chart β ICAO shall be made available in the manner
prescribed in 1.3.2 for all aerodromes/heliports used for schedule operation.
13.2.2 Reserved
13.3 Coverage and scale
13.3.1 The coverage and scale shall be sufficiently large to show clearly all the
elements listed in 13.6.1.
13.3.2 A linear scale shall be shown.
13.4 Identification
The chart shall be identified by the name of the city or town, or area, which
the aerodrome/heliport serves and the name of the aerodrome/heliport.
13.5 Magnetic variation
True and Magnetic North arrows and magnetic variation to the nearest degree
and annual change of the magnetic variation shall be shown.
61CIVIL AVIATION REQUIREMENTS SECTION 9
SERIES βGβ PART I October 2024
13.6 Aerodrome/heliport data
13.6.1 This chart shall show:
a) geographical coordinates in degrees, minutes and seconds for the
aerodrome/heliport reference point;
b) elevations, to the nearest metre or foot, of the aerodrome/heliport and apron
(altimeter checkpoint locations) where applicable; and for non- precision
approaches, elevations and geoid undulations of runway thresholds and the
geometric centre of the touchdown and lift-off area;
c) elevations and geoid undulations, to the nearest halfmetre or foot, of the
precision approach runway threshold, the geometric centre of the
touchdown and lift-off area, and at the highest elevation of the touchdown
zone of a precision approach runway;
d) all runways including those under construction with designation number,
length and width to the nearest metre, bearing strength, displaced
thresholds, stopways, clearways, runway directions to the nearest degree
magnetic, type of surface and runway markings;
Note. β Bearing strengths may be shown in tabular form on the face or
verso of the chart.
e) all aprons, with aircraft/helicopter stands, lighting, markings and other visual
guidance and control aids, where applicable, including location and type of
visual docking guidance systems, type of surface for heliports, and bearing
strengths or aircraft type restrictions where the bearing strength is less than
that of the associated runways;
Note. β Bearing strengths or aircraft type restrictions may be shown in
tabular form on the face or verso of the chart.
f) geographical coordinates in degrees, minutes and seconds for thresholds,
geometric centre of touchdown and lift-off area and/or thresholds of the final
approach and take-off area (where appropriate);
g) all taxiways, helicopter air and ground taxiways with type of surface,
helicopter air transit routes, with designations, width, lighting, markings,
including runway-holding positions and stop bars, other visual guidance and
control aids, and bearing strength or aircraft type restrictions where the
bearing strength is less than that of the associated runways;
Note. β Bearing strengths or aircraft type restrictions may be shown in
tabular form on the face or verso of the chart.
h) where established, hot spot locations with additional information properly
annotated;
Note. β Additional information regarding hot spots may be shown in
tabular form on the face or verso of the chart.
62CIVIL AVIATION REQUIREMENTS SECTION 9
SERIES βGβ PART I October 2024
i) geographical coordinates in degrees, minutes, seconds and hundredths
of seconds for appropriate taxiway centre line points and aircraft stands;
j) where established, standard routes for taxiing aircraft with
their designators;
k) the boundaries of the air traffic control service;
l) position of runway visual range (RVR) observation sites;
m) approach and runway lighting;
n) location and type of the visual approach slope indicator systems with their
nominal approach slope angle(s), minimum eye height(s) over the threshold
of the on-slope signal(s), and where the axis of the system is not parallel
to the runway centre line, the angle and direction of the displacement, i.e.
left or right;
o) relevant communication facilities listed with their channels and,
if applicable, logon address and SATVOICE number;
p) obstacles to taxiing;
q) aircraft servicing areas and buildings of operational significance;
r) VOR checkpoint and radio frequency of the aid concerned;
s) any part of the depicted movement area permanently unsuitable
for aircraft, clearly identified as such.
13.6.2 For aerodromes accommodating aeroplanes with folding wing tips, the location
where the wing tips may be safely extended areas where it is safe for aeroplanes with
folding wing tips to operate with wings extended, should be shown on the chart.
13.6.3 In addition to the items in 13.6.1 relating to heliports, the chart shall show:
a) heliport type;
b) touchdown and lift-off area including dimensions to the nearest metre, slope,
type of surface and bearing strength in tonnes;
c) final approach and take-off area including type, true bearing to the nearest
degree, designation number (where appropriate), length and width to the
nearest metre, slope and type of surface;
d) safety area including length, width and type of surface;
e) helicopter clearway including length and ground profile;
f) obstacles including type and elevation of the top of the obstacles to the
nearest (next higher) metre or foot
63CIVIL AVIATION REQUIREMENTS SECTION 9
SERIES βGβ PART I October 2024
g) visual aids for approach procedures, marking and lighting of final
approach and take-off area, and of touchdown and lift-off area;
h) declared distances to the nearest metre for heliports, where relevant,
including:
1) take-off distance available;
2) rejected take-off distance available;
3) landing distance available.
14 AERODROME GROUND MOVEMENT CHART β ICAO
14.1 Function
This supplementary chart shall provide flight crews with detailed information
to facilitate the ground movement of aircraft to and from the aircraft stands
and the parking/docking of aircraft.
14.2 Availability
The Aerodrome Ground Movement Chart β ICAO should be made available
in the manner prescribed in 1.3.2 where, due to congestion of information,
details necessary for the ground movement of aircraft along the taxiways
to and from the aircraft stands cannot be shown with sufficient clarity on
the Aerodrome/Heliport Chart β ICAO.
14.3 Coverage and scale
14.3.1 The coverage and scale shall be sufficiently large to show clearly all
the elements listed in 14.6.
14.3.2 A linear scale should be shown.
14.4 Identification
The chart shall be identified by the name of the city or town, or area, which
the aerodrome serves and the name of the aerodrome.
14.5 Magnetic variation
14.5.1 A True North arrow shall be shown.
14.5.2 Magnetic variation to the nearest degree and its annual change shall be shown.
Note. β This chart need not be True North
orientated.
14.6 Aerodrome data
14.6.1 This chart shall show in a similar manner all the information on
the Aerodrome/Heliport Chart β ICAO relevant to the area depicted,
including:CIVIL AVIATION REQUIREMENTS SECTION 9
SERIES βGβ PART I October 2024
a) apron elevation to the nearest metre or
foot;
b) aprons with aircraft stands, bearing strengths or aircraft type
restrictions, lighting, marking and other visual guidance and control
aids, where applicable, including location and type of visual docking
guidance systems;
c) geographical coordinates in degrees, minutes, seconds and hundredths
of seconds for aircraft stands;
d) taxiways with designations, width to the nearest metre, bearing strength or
aircraft type restrictions where applicable, lighting, markings, including
runway holding positions and stop bars and other visual guidance and control
aids;
e) where established, hot spot locations with additional information
properly annotated;
Note. β Additional information regarding hot Spots may be shown in
tabular form on the face or verso of the chart.
f) where established, standard routes for taxiing aircraft, with
their designators;
g) geographical coordinates in degrees, minutes, seconds and hundredths
of seconds for appropriate taxiway centre line points;
h) the boundaries of the air traffic control service;
i) relevant communication facilities listed with their channels and, if
applicable, logon address;
j) obstacles to taxiing;
k) aircraft servicing areas and buildings of operational significance;
l) VOR checkpoint and radio frequency of the aid concerned;
m) any part of the depicted movement area permanently unsuitable for
aircraft, clearly identified as such.
14.6.2 For aerodromes accommodating aeroplanes with folding wing tips, the
location where the wing tips may be safely extended areas where it is safe for
aeroplanes with folding wing tips to operate with wing tips extended, should be
shown on the chart.
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15 AIRCRAFT PARKING/DOCKING CHART β ICAO
15.1 Function
This supplementary chart shall provide flight crews with detailed information to
facilitate the ground movement of aircraft between the taxiways and the aircraft
stands and the parking/docking of aircraft.
15.2 Availability
The Aircraft Parking/ Docking Chart β ICAO shall be made available in the
manner prescribed in 1.3.2 where, due to the complexity of the terminal
facilities, the information cannot be shown with sufficient clarity on the
Aerodrome/Heliport Chart β ICAO or on the Aerodrome Ground Movement
Chart β ICAO.
15.3 Coverage and scale
15.3.1 The coverage and scale shall be sufficiently large to show clearly all the
elements listed in 15.6.
15.3.2 A linear scale should be shown.
15.4 Identification
The chart shall be identified by the name of the city or town, or area, which
the aerodrome serves and the name of the aerodrome.
15.5 Magnetic variation
15.5.1 A True North arrow shall be shown.
15.5.2 Magnetic variation to the nearest degree and its annual change shall be shown.
Note. β This chart need not be True North orientated.
15.6 Aerodrome data
This chart shall show in a similar manner all the information on the
Aerodrome/Heliport Chart β ICAO and the Aerodrome Ground Movement
Chart β ICAO relevant to the area depicted, including:
a) apron elevation to the nearest metre or foot;
b) aprons with aircraft stands, bearing strengths or aircraft type restrictions,
lighting, marking and other visual guidance and control aids, where
applicable, including location and type of visual docking guidance systems;
c) geographical coordinates in degrees, minutes, seconds and hundredths of
seconds for aircraft stands;
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d) taxiway entries with designations, including runway holding positions and
stop bars;
e) where established, hot spot locations with additional information properly
annotated;
Note. β Additional information regarding hot spots may be shown
in tabular form on the face or verso of the chart.
f) geographical coordinates in degrees, minutes, seconds and hundredths of
seconds for appropriate taxiway centre line points;
g) the boundaries of the air traffic control service;
h) relevant communication facilities listed with their channels and,
if applicable, logon address;
i) obstacles to taxiing;
j) aircraft servicing areas and buildings of operational significance;
k) VOR checkpoint and radio frequency of the aid concerned;
l) any part of the depicted movement area permanently unsuitable for
aircraft, clearly identified as such.
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16 WORLD AERONAUTICAL CHART β ICAO 1: 1 000 000
16.1 Function
This chart shall provide information to satisfy the requirements of visual air
navigation.
Note. β This chart may also serve:
1) as a basic aeronautical chart:
a) when highly specialized charts lacking visual information do not
provide essential data;
b) to provide complete world coverage at a constant scale with a
uniform presentation of planimetric data;
c) in the production of other charts required by international civil
aviation;
2) as a pre-flight planning chart.
16.2 Availability
16.2.1 The World Aeronautical Chart β ICAO 1:1 000 000 shall be made available in
the manner prescribed in 1.3.2 for all areas delineated in Appendix 5.
Note. β When operational or chart production considerations indicate that
operational requirements can be effectively satisfied by Aeronautical Charts
β ICAO 1:500 000 or Aeronautical Navigation Charts β ICAO Small Scale,
either of these charts may be made available instead of the basic 1:1 000 000
chart.
16.2.2 To ensure complete coverage of all land areas and adequate continuity in any
one coordinated series, the selection of a scale of other than 1:1 000 000 should
be determined by regional agreement.
16.3 Scales
16.3.1 Linear scales for kilometres and nautical miles arranged in the following order:
β kilometres,
β nautical miles,
with their zero points in the same vertical line shall be shown in the margin.
16.3.1.1 The length of the linear scales shall represent at least 200 km (110 NM).
16.3.2 A conversion scale (metres/feet) shall be shown in the margin.
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16.4 Format
16.4.1 The title and marginal notes shall be in English.
16.4.2 The information regarding the number of the adjoining sheets and the unit of
measurement to express elevations shall be so located as to be clearly visible
when the sheet is folded.
16.4.3 The method of folding shall be as follows:
Fold the chart on the long axis, near the mid-parallel of latitude, face out; with
the bottom half of the chart face upward, fold inwards near the meridian, and
fold both halves backward in accordion folds.
16.4.4 Whenever practicable, the sheet lines shall conform with those shown in the
index in Appendix 5.
Note 1. β The area covered by a sheet may vary from the lines shown
tosatisfy particular requirements.
Note 2.β The value of adopting identical sheet lines for ICAO 1:1 000 000
Charts and the corresponding sheet of the International Map of the World
(IMW), provided aeronautical requirements are not compromised, is
recognized.
16.4.5 The sheet lines used shall be notified to ICAO for publication in the ICAO
Aeronautical Chart Catalogue (Doc 7101).
16.4.6 Overlaps shall be provided by extending the chart area on the top and right side
beyond the area given on the index. This overlap area shall contain all
aeronautical, topographical, hydrographical and cultural information. The
overlap shall extend up to 28 km (15 NM) if possible, but in any case from the
limiting parallels and meridians of each chart to the neat line.
16.5 Projection
16.5.1 The projections shall be as follows:
1) between the Equator and 80Β° latitude: the Lambert conformal conic
projection, in separate bands for each tier of charts. The standard parallels
for each 4Β° band shall be 40β² south of the northern parallel and 40β² north of
the southern parallel;
2) between 80Β° and 90Β° latitude: the Polar stereographic projection with scale
matching that of the Lambert conformal conic projection at latitude 80Β°,
except that in the northern hemisphere the Lambert conformal conic
projection may be used between 80Β° and 84Β° latitude and the Polar
stereographic projection between 84Β° and 90Β° with the scales matching at
84Β° North.
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16.5.2 Graticules and graduations shall be shown as follows:
1) Parallels:
2) Meridians:
16.5.3 The graduation marks at 1β² and 5β² intervals shall extend away from the
Greenwich Meridian and from the Equator. Each 10β² interval shall be shown by
a mark on both sides of the graticule line.
16.5.3.1 The length of the graduation marks shall be approximately 1.3 mm (0.05 in)
for the 1β² intervals, and 2 mm (0.08 in) for the 5β² intervals and 2 mm (0.08 in)
extending on both sides of the graticule line for the 10β² intervals.
16.5.4 All meridians and parallels shall be numbered in the borders of the charts. In
addition, each parallel shall be numbered within the body of the chart in such a
manner that the parallel can be readily identified when the chart is folded.
Note. β Meridians may be numbered within the body of the chart.
16.5.5 The name and basic parameters of the projection shall be indicated in the
margin.
16.6 Identification
Sheet numbering shall be in conformity with the index in Appendix 5.
Note. β The corresponding International Map of the World (IMW)
Sheet number may also be shown.
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16.7 Culture and topography
16.7.1 Built-up areas
16.7.1.1 Cities, towns and villages shall be selected and shown according to their
relative importance to visual air navigation.
16.7.1.2 Cities and towns of sufficient size shall be indicated by the outline of their
built up areas and not of their established city limits.
16.7.2 Railroads
16.7.2.1 All railroads having landmark value shall be shown.
Note 1. β In congested areas, some railroads may be omitted in the interest
of legibility.
Note 2. β Railroads may be named where space permits.
16.7.2.2 Important tunnels shall be shown.
Note. β A descriptive note may be added.
16.7.3 Highways and roads
16.7.3.1 Road systems shall be shown in sufficient detail to indicate significant
patterns from the air.
16.7.3.2 Roads shall not be shown in built-up areas unless they can be
distinguished from the air as definite landmarks.
Note. β The numbers or names of important highways may be shown.
16.7.4 Landmarks
Natural and cultural landmarks, such as bridges, prominent transmission lines,
permanent cable car installations, wind turbines, mine structures, forts, ruins,
levees, pipelines, and rocks, bluffs, cliffs, sand dunes, isolated lighthouses,
lightships, etc., when considered to be of importance for visual air navigation,
shall be shown.
Note. β Descriptive notes may be added.
16.7.5 Political boundaries
International boundaries shall be shown. Un-demarcated and un-defined
boundaries shall be distinguished by descriptive notes.
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16.7.6 Hydrography
16.7.6.1 All water features compatible with the scale of the chart comprising shore lines,
lakes, rivers and streams (including those non-perennial in nature), salt lakes,
glaciers and ice caps shall be shown.
16.7.6.2 The tint covering large open water areas shall be kept very light.
Note. β A narrow band of darker tone may be used along the shore line to
emphasize this feature.
16.7.6.3 Reefs and shoals including rocky ledges, tidal flats, isolated rocks, sand, gravel,
stone and all similar areas shall be shown by symbols when of significant
landmark value.
Note. β Groups of rocks may be shown by a few representative rock symbols
within the area.
16.7.7 Contours
16.7.7.1 Contours shall be shown. The selection of intervals shall be governed by the
requirement to depict clearly the relief features required in air navigation.
16.7.7.2 The values of the contours used shall be shown.
16.7.8 Hypsometric tints
16.7.8.1 When hypsometric tints are used the range of elevations for the tints shall
be shown.
16.7.8.2 The scale of the hypsometric tints used on the chart shall be shown in the
margin.
16.7.9 Spot elevations
16.7.9.1 Spot elevations shall be shown at selected critical points. The elevations
selected shall always be the highest in the immediate vicinity and shall generally
indicate the top of a peak, ridge, etc. Elevations in valleys and at lake surface
levels which are of special value to the aviator shall be shown. The position
of each selected elevation shall be indicated by a dot.
16.7.9.2 The elevation (in metres or feet) of the highest point on the chart and its
geographical position to the nearest five minutes shall be indicated in the
margin.
16.7.9.3 The spot elevation of the highest point in any sheet shall be cleared of
hypsometric tinting.
16.7.10 Incomplete or unreliable relief
16.7.10.1 Areas that have not been surveyed for contour information shall be labelled
βRelief data incompleteβ.
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16.7.10.2 Charts on which spot elevations are generally unreliable shall bear a warning
note prominently displayed on the face of the chart in the colour used for
aeronautical information, as follows:
βWarning β The reliability of relief information on this chart is doubtful and
elevations should be used with caution.β
16.7.11 Escarpments
Escarpments shall be shown when they are prominent landmarks or when
cultural detail is very sparse.
16.7.12 Wooded areas
16.7.12.1 Wooded areas shall be shown.
Note. β On high latitude charts, the approximate extreme northern
orsouthern limits of tree growth may be shown.
16.7.12.2 Where shown, the approximate extreme northern or southern limits of tree
growth shall be indicated by a dashed black line and shall be appropriately
labelled.
16.7.13 Date of topographic information
The date of latest information shown on the topographic base shall be
indicated in the margin.
16.8 Magnetic variation
16.8.1 Isogonic lines shall be shown.
16.8.2 The date of the isogonic information shall be indicated in the margin.
16.9 Aeronautical data
16.9.1 Aeronautical data shown shall be kept to a minimum consistent with the use of
the chart for visual navigation and the revision cycle (see 16.9.6).
16.9.2 Aerodromes
16.9.2.1Land and water aerodromes and heliports shall be shown with their names, to
the extent that they do not produce undesirable congestion on the chart, priority
being given to those of greatest aeronautical significance.
16.9.2.2The aerodrome elevation, the lighting available, the type of runway surface and
the length of the longest runway or channel, shown in abbreviated form for each
aerodrome in conformity with the example given in Appendix 2, provided they
do not cause undesirable clutter on the chart, shall be indicated.
16.9.2.3Abandoned aerodromes which are still recognizable as aerodromes from
the air shall be shown and identified as abandoned.
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16.9.3 Obstacles
16.9.3.1 Obstacles shall be shown.
Note.β Objects of a height of 100 m (300 ft) or more above ground are
normally regarded as obstacles.
16.9.3.2 When considered of importance to visual flight, prominent transmission lines
and permanent cable car installations and wind turbines, which are obstacles,
shall be shown.
16.9.4 Prohibited, restricted and danger areas
Prohibited, restricted and danger areas shall be shown.
16.9.5 Air traffic services system
16.9.5.1 Significant elements of the air traffic services system including, where
practicable, control zones, aerodrome traffic zones, control areas, flight
information regions and other airspaces in which VFR flights operate shall be
shown together with the appropriate class of airspace.
16.9.5.2Where appropriate, the air defence identification zone (ADIZ) shall be
shown and properly identified.
Note. β ADIZ procedures may be described in the chart legend.
16.9.6 Radio navigation aids
Radio navigation aids shall be shown by the appropriate symbol and named, but
excluding their frequencies, coded designators, times of operation and other
characteristics unless any or all of this information which is shown is kept up to date
by means of new editions of the chart.
16.9.7 Supplementary information
16.9.7.1Aeronautical ground lights together with their characteristics or their
identifications or both shall be shown.
16.9.7.2Marine lights on outer prominent coastal or isolated features of not less than
28 km (15 NM) visibility range shall be shown:
1) where they are not less distinguishable than more powerful marine lights in
the vicinity;
2) where they are readily distinguishable from other marine or other types of
lights in the vicinity of built-up coastal areas;
3) where they are the only lights of significance available.
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17 RESERVED
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18 RESERVED
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19 RESERVED
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20 ELECTRONIC AERONAUTICAL CHART DISPLAY β ICAO
20.1 Function
The Electronic Aeronautical Chart Display β ICAO, with adequate back-up
arrangements and in compliance with the requirements of CAR Section 2 Series
βOβ Part II, III, IV and V for charts, shall enable flight crews to execute, in a
convenient and timely manner, route planning, route monitoring and navigation
by displaying required information.
20.2 Information available for display
20.2.1 The Electronic Aeronautical Chart Display β ICAO shall be capable of
displaying all aeronautical, cultural and topographic information required by
para 7 through 11 and para 13 through 16 of this CAR.
20.2.2 Reserved
Note. β The Electronic Aeronautical Chart Display β ICAO may display
supplementary information, in addition to that required for the equivalent paper
chart, which may be considered useful for safe navigation.
20.3 Display requirements
20.3.1 Display categories
20.3.1.1 Information available for display shall be subdivided into the following
categories:
a) basic display information, permanently retained on the display and
consisting of the minimum information essential for the safe conduct of
flight; and
b) other display information, which may be removed from the display or
displayed individually on demand, and consisting of information not
considered essential for the safe conduct of flight.
Note. β Other modes, such as static chart displays, may be available.
20.3.1.2 It shall be a simple function to add or remove other display information but
shall not be possible to remove information contained in the basic display.
20.3.2 Display mode and generation of neighbouring area
20.3.2.1 The Electronic Aeronautical Chart Display β ICAO shall be capable of
continuously plotting the aircraftβs position in a true motion mode where reset
and generation of the surrounding area shall take place automatically.
20.3.2.2 It shall be possible manually to change the chart area and the position of
the aircraft relative to the edge of the display.
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20.3.3 Scale
It shall be possible to vary the scale at which a chart is displayed.
20.3.4 Symbols
Symbols used shall conform to those specified for electronic charts in Appendix
2 β ICAO Chart Symbols except where it is desired to show items for which no
ICAO chart symbol is provided. In these cases electronic chart symbols shall be
chosen which:
a) employ a minimum use of lines, arcs and area fills;
b) do not cause confusion with any existing aeronautical chart symbol;
c) do not impair the legibility of the display.
Note. β Additional details for each symbol may be added according to the
resolution of the output media, but any enhancements may not change the
basic recognizability of the symbol.
20.3.5 Display hardware
20.3.5.1 The effective size of the chart presentation shall be sufficient to display the
information required by 20.2 without excessive scrolling.
20.3.5.2 The display shall have the capabilities required to accurately portray required
elements of Appendix 2 β ICAO Chart Symbols.
20.3.5.3 The method of presentation shall ensure that the displayed information is
clearly visible to the observer in the conditions of natural and artificial light
experienced in the cockpit.
20.3.5.4 The display luminance shall be adjustable by the flight crew.
20.4 Provision and updating of data
20.4.1 The provision and updating of data for use by the display shall be in
conformance with the aeronautical data quality system requirements.
20.4.2 The display shall be capable of automatically accepting authorized updates to
existing data. A means of ensuring that authorized data and all relevant updates
to that data have been correctly loaded into the display shall be provided.
20.4.3 The display shall be capable of accepting updates to authorized data entered
manually with simple means for verification prior to final acceptance of the data.
Updates entered manually shall be distinguishable on the display from
authorized data and its authorized updates and shall not affect display legibility.
20.4.4 A record shall be kept of all updates, including date and time of application.
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20.4.5 The display shall allow the flight crew to display updates so that the flight crew
may review the contents of the updates and determine that they have been
included in the system.
20.5 Performance tests, malfunction alarms and indications
20.5.1 A means shall be provided for carrying out onboard tests of major functions. In
case of a failure, the test shall display information to indicate which part of the
system is at fault.
20.5.2 A suitable alarm or indication of system malfunction shall be provided.
20.6 Back-up arrangements
To ensure safe navigation in case of a failure of the Electronic Aeronautical
Chart Display β ICAO, the provision of adequate back-up arrangements shall
include:
a) facilities enabling a safe takeover of display functions in order to ensure that
a failure does not result in a critical situation; and
b) a back-up arrangement facilitating the means for safe navigation of the
remaining part of the flight.
Note. β A suitable back-up system may include the carriage of paper charts.
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21 ATC SURVEILLANCE MINIMUM ALTITUDE CHART β ICAO
21.1 Function
21.1.1 This supplementary chart shall provide information that will enable flight crews
to monitor and cross-check altitudes assigned while under radar control.
21.1.2 A note indicating that the chart may only be used for cross-checking of altitudes
assigned while under radar control shall be prominently displayed on the face
of the chart.
21.2 Availability
The ATC Surveillance Minimum Altitude Chart β ICAO shall be made available,
in the manner prescribed in 1.3.2, where radar vectoring procedures are
established and minimum vectoring altitudes cannot be shown adequately on
the Area Chart β ICAO, Standard Departure Chart β Instrument (SID) β ICAO
or Standard Arrival Chart β Instrument (STAR) β ICAO.
21.3 Coverage and scale
21.3.1 The coverage of the chart shall be sufficient to effectively show the
information associated with radar vectoring procedures.
21.3.2 The chart shall be drawn to scale.
21.3.3 The chart shall be drawn to the same scale as the associated Area Chart β
ICAO.
21.4 Projection
21.4.1 A conformal projection on which a straight line approximates a geodesic line
shall be used.
21.4.2 Graduation marks shall be placed at consistent intervals along the neat lines,
as appropriate.
21.5 Identification
The chart shall be identified by the name of the aerodrome for which the radar
vectoring procedures are established or, when procedures apply to more than
one aerodrome, the name associated with the airspace portrayed.
Note. β The name may be that of the city which the aerodrome serves or, when
the procedures apply to more than one aerodrome, thatof the air traffic services
centre or the largest city or town situated in the area covered by the chart.
21.6 Culture and topography
21.6.1 Generalized shorelines of all open water areas, large lakes and rivers shall be
shown except where they conflict with data more applicable to the function of
the chart.
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21.6.2 Appropriate spot elevations and obstacles shall be shown.
Note. β Appropriate spot elevations and obstacles are those provided by the
procedures specialist.
21.7 Magnetic variation
The average magnetic variation of the area covered by the chart shall be shown
to the nearest degree.
21.8 Bearings, tracks and radials
21.8.1 Bearings, tracks and radials shall be magnetic, except as provided for in 21.8.2.
21.8.2 In areas of high latitude, where it is determined that reference to Magnetic North
is impractical, another suitable reference, i.e. True North or Grid North, shall be
used.
21.8.3 Where bearings, tracks or radials are given with reference to True North or Grid
North, this shall be clearly indicated. When Grid North is used its reference grid
meridian shall be identified.
21.9 Aeronautical data
21.9.1 Aerodromes
21.9.1.1All aerodromes that affect the terminal routings shall be shown. Where
appropriate a runway pattern symbol shall be used.
21.9.1.2 The elevation of the primary aerodrome to the nearest metre or foot shall be
shown.
21.9.2 Prohibited, restricted and danger areas
Prohibited, restricted and danger areas shall be depicted with their
identification.
21.9.3 Air traffic services system
21.9.3.1 The chart shall show components of the established air traffic services
system including:
1) relevant radio navigation aids together with their identifications;
2) lateral limits of relevant designated airspace;
3) relevant significant points associated with standard instrument departure
and arrival procedures;
Note. β Routes used in the vectoring of aircraft to and from the
significant points may be shown.
4) transition altitude, where established;
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5) information associated with radar vectoring including:
a) minimum vectoring altitudes to the nearest higher 50 m or 100 ft, clearly
identified;
b) lateral limits of minimum vectoring altitude sectors normally defined by
bearings and radials to/from radio navigation aids to the nearest degree
or, if not practicable, geographical coordinates in degrees, minutes and
seconds and shown by heavy lines so as to clearly differentiate between
established radar sectors;
Note. β In congested areas geographical coordinates may be omitted in the
interest of legibility.
c) distance circles at 20-km or 10-NM intervals or, when practicable, 10- km
or 5-NM intervals shown as fine dashed lines with the radius indicated
on the circumference and centred on the identified aerodrome main VOR
radio navigation aid or, if not available, on the aerodrome/heliport
reference point;
d) notes concerning correction for low temperature effect, as applicable;
6) radio communications procedures including call sign(s) and frequency(ies)
of approach/radar unit(s).
21.9.3.2 A textual description of communication failure procedures in relation to radar
control shall be provided and should, whenever feasible, be shown on the chart
or on the same page that contains the chart.
(Vikram Dev Dutt)
Director General of Civil Aviation
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APPENDIX 1. MARGINAL NOTE LAYOUT
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APPENDIX 3. COLOUR GUIDE
(REF. 2.11.1)
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APPENDIX 4- HYPSOMETRIC TINT GUIDE
(Alternative systems, reference 2.12.2)
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