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choice of the aircraft's flight profile both straight ahead
and in all areas where turning departures may occur;
e) graduation marks at consistent intervals outside the neat
line, at least every 10 minutes of latitude and longitude
and marked in degrees and minutes.
Note 1.- Lines of latitude and longitude rnay be shown
across the face of the chart.
Note 2.- Aerodrome Obstacle Chart - ICAO Type C may
consist of any suitable topographical chart or series of charts
available, overprinted with the necessary aeronautical data in
a distinctive colour.
5.5 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
which the aerodrome serves. and the name of the aerodrome.
5.6 Magnetic variation
Recommendation.- The chart should show the magnetic
variation to the nearest degree with the date and annual
change.
ANNEX 4 5- 1 in1101
Annex 4 -Aeronautical Charts Chapter 5
5.7 Units of measurement
5.7.1 Elevations shall be shown to the nearest metre or
foot.
5.7.2 Linear dimensions shall be shown to the nearest
metre.
5.8 Aeronautical data
5.8.1 The chart shall show:
a) the aerodrome reference point and its geographical
coordinates in degrees, minutes and seconds;
b) the runways and the extended runway centre lines;
c) significant obstacles as specified in 5.3.1 a) and b); the
extent of each plan shall be sufficient to cover all
significant obstacles except that isolated distant
obstacles that would unnecessarily increase the sheet
size may be indicated by an arrow, provided that the
distance and bearing from a reference point and their
elevation and geographical coordinates in degrees,
minutes, seconds and tenths of seconds are given;
d) the exact position of each significant obstacle by a
symbol and its geographical coordinates in degrees,
minutes, seconds and tenths of seconds;
e) the elevation of each significant obstacle;
f) an indication of the type of each significant obstacle;
Note.- The obstacle type may be given in textual
form or in areas where excessive clutter would ensue,
the obstacle may be identified by a number on the chart
and the number and type tabulated in the margin or on
a separate sheet.
g) the limits of penetration of significant obstacles of large
extent in a distinctive manner identified in the legend;
Note.- This does not exclude the necessity for
indicating the positions of critical spot elevations and
their geographical coordinates in degrees, minutes,
seconds and tenths of seconds within such an area.
h) the positions of all radio navigation aids.
5.8.2 Declared distances
5.8.2.1 The 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.
Note.- In Annex 14, Volume I, Attachment A, guidance is
given on declared distances.
5.8.2.2 Recommendation.- Where a declared distance
is not provided because a runway direction cannot be used for
take-off or landing or both, then this should be indicated and
the words "not usable " or the abbreviation "NU" entered.
5.9 Accuracy
The order of accuracy attained shall be shown on the chart.
CHAPTER 6. PRECISION APPROACH TERRAIN CHART - ICAO
6.1 Function
The chart shall provide detailed terrain profhe 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.
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:
6.2 Availability
6.2.1 The Precision Approach Terrain Chart - ICAO shall
be made available for all precision approach runways Categories
I1 and III at aerodromes used by international civil aviation.
6.2.2 The Precision Approach Terrain Chart - ICAO
shall be revised whenever any significant change occurs.
6.3 Scale
6.3.1 Recommendation.- The horizontal scale should
be 1:2 500, and the vertical scale 1:500.
6.3.2 Recommendation.- When the chart includes a
profile of the terrain to a distance greater than 900 m
(3000 j) from the runway threshold, the horizontal scale
should be I: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,
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