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shall be used on tracks and other aspects of the chart 9.6 Culture and topography
which are too large to be drawn to scale.
9.6.1 Where the chart is drawn to scale, generalized shore
lines of all open water areas, large lakes and rivers shall be
9.4 Projection shown except where they conflict with data more applicable to
the function of the chart.
9.4.1 Recommendation.- A conformal projection on
which a straight line approximates a great circle should be 9.6.2 Recommendation.- To improve situational
used. awareness in areas where signi'cant relief exists, the chart
ANNEX 4 9-1 1/11/01
Annex 4 - Aeronautical Charts Chapter 9
should be drawn to scale and all relief exceeding 300m 9.9.2 Prohibited, restricted and danger areas
( I 000 ft) above the aerodrome elevation should be shown by
smoothed contour lines, contour values and layer tints printed Prohibited, restricted and danger areas which may affect the
in brown. Appropriate spot elevations, including the highest execution of the procedures shall be shown with their
elevation within each top contour line, should be shown identification and vertical limits.
printed in black. Sign$cant obstacles should also be shown.
Note I.- The next higher suitable contour line appearing 9.9.3 Minimum sector altitude
on base topographic maps exceeding 300m ( I 000ft) above
the aerodrome elevation may be selected to start layer tinting. 9.9.3.1 The established minimum sector altitude, based on
a navigation aid associated with the procedure, shall be shown
N~~~ 2,- A,, brown colour; on which habone with a clear indication of the sector to which it applies.
layer tinting is to be based, is specfied in Appendix 3 -
Colour Guide for contours and topographic features. 9.9.3.2 Where the minimum sector altitude has not been
established, the chart shall be drawn to scale and area
Note 3.- Appropriate spot elevations and signtj5cant minimum altitudes shall be shown within quadrilaterals
obstacles are those provided by the procedures specialists. formed by the parallels and meridians. Area minimum
altitudes shall also be shown in those Darts of the chart not
covered by the minimum sector altitude.
9.7 Magnetic variation Note.-- Depending on the selected chart scale,
quadrilaterals formed by the parallels and meridians normally
Magnetic variation used in determining the magnetic bearings, correspond to the half-degree of latitude and longitude.
tracks and radials shall be shown to the nearest degree.
9.9.4 Air traffic services system
9.8 Bearings, tracks and radials 9.9.4.1 The components of the relevant air traffic services
system shall be shown.
9.8.1 Bearings, tracks and radials shall be magnetic,
9.9.4.1.1 The components shall comprise the following:
except as provided for in 9.8.2.
Note.- A note to this effect may be included on the chart. 1) a graphic portrayal of each standard departure route -
instrument, including:
9.8.2 Recommendation.- In areas of high latitude, a) route designator;
where it is determined by the appropriate authority that
reference to Magnetic North is impractical, another suitable b) significant points defining the route;
reference, i.e. True North or Grid North, should be used.
c) track or radial to the nearest degree along each
9.8.3 Where bearings, tracks and radials are given with segment of the route@);
reference to True North or Grid North, this shall be clearly
indicated. When Grid North is used its reference grid meridian d) distances to the nearest kilometre or nautical mile
shall be identified. between significant points;
9.9 Aeronautical data
e) minimum flight altitudes to the nearest higher 50 m or
100 ft along the route or route segments;
f) altitude to the nearest higher 50 m or 100 ftlflight level
restrictions, where established;
9.9.1 Aerodromes
Note.- Where radar procedures are used to vector
9.9.1.1 The aerodrome of departure shall be shown by the aircraft to or from a sign$cant point on a standard
runway pattern. departure route, they may be shown.
9.9.1.2 All aerodromes which affect the designated 2) the radio navigation aid(s) associated with the route(s)
standard departure route - instrument shall be shown and including:
identified. Where appropriate the aerodrome runway patterns
shall be shown. a) plain language name;
Chapter 9 Annex 4 - Aeronautical Charts
b) identification;
c) frequency;
d) geographical coordinates in degrees, minutes and
seconds;
e) for DME, the channel and the elevation of the
transmitting antenna of the DME to the nearest 30 m
(loo ft);
3) the name-codes of the significant points not marked by
the position of a radio navigation aid, their geographical
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