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relation to the requirements of air traffic services for additional
position reports when traffic conditions so demand.
5.6 The designation of compulsory and on-request
reporting points shall be reviewed regularly with a view to
keeping the requirements for routine position reporting to the
minimum necessary to ensure efficient air traffic services.
5.7 Routine reporting over compulsory reporting points
should not systematically be made mandatory for all flights in
all circumstances. In applying this principle, particular attention
shall be given to the following:
a) high-speed, high-flying aircraft should not be required
to make routine position reports over all reporting points
established as compulsory for low-speed, low-flying
aircraft;
Appendix 2 Annex 11 — Air Traffic Services
APP 2-3 1/11/01
b) aircraft transiting through a terminal control area should
not be required to make routine position reports as
frequently as arriving and departing aircraft.
5.8 In areas where the above principles regarding the
establishment of reporting points would not be practicable, a
reporting system with reference to meridians of longitude or
parallels of latitude expressed in whole degrees may be
established.
ANNEX 11 APP 3-1 1/11/01
APPENDIX 3. PRINCIPLES GOVERNING THE IDENTIFICATION
OF STANDARD DEPARTURE AND ARRIVAL ROUTES
AND ASSOCIATED PROCEDURES
(See Chapter 2, 2.11.3)
Note.— Material relating to the establishment of standard
departure and arrival routes and associated procedures is
contained in the Air Traffic Services Planning Manual
(Doc 9426).
1. Designators for standard departure and arrival
routes and associated procedures
Note.— In the following text the term “route” is used in the
meaning of “route and associated procedures”.
1.1 The system of designators shall:
a) permit the identification of each route in a simple and
unambiguous manner;
b) make a clear distinction between:
— departure routes and arrival routes;
— departure or arrival routes and other ATS routes;
— routes requiring navigation by reference to groundbased
radio aids or self-contained airborne aids, and
routes requiring navigation by visual reference to the
ground;
c) be compatible with ATS and aircraft data processing
and display requirements;
d) be of utmost brevity in its operational application;
e) avoid redundancy;
f) provide sufficient possibility for extension to cater for
any future requirements without the need for fundamental
changes.
1.2 Each route shall be identified by a plain language
designator and a corresponding coded designator.
1.3 The designators shall, in voice communications, be
easily recognizable as relating to a standard departure or
arrival route and shall not create any difficulties in
pronunciation for pilots and ATS personnel.
2. Composition of designators
2.1 Plain language designator
2.1.1 The plain language designator of a standard departure
or arrival route shall consist of:
a) a basic indicator; followed by
b) a validity indicator; followed by
c) a route indicator, where required; followed by
d) the word “departure” or “arrival”; followed by
e) the word “visual”, if the route has been established for
use by aircraft operating in accordance with the visual
flight rules (VFR).
2.1.2 The basic indicator shall be the name or name-code
of the significant point where a standard departure route
terminates or a standard arrival route begins.
2.1.3 The validity indicator shall be a number from 1
to 9.
2.1.4 The route indicator shall be one letter of the
alphabet. The letters “I” and “O” shall not be used.
2.2 Coded designator
The coded designator of a standard departure or arrival route,
instrument or visual, shall consist of:
a) the coded designator or name-code of the significant
point described in 2.1.1 a); followed by
b) the validity indicator in 2.1.1 b); followed by
c) the route indicator in 2.1.1 c), where required.
Note.— Limitations in the display equipment on board
aircraft may require shortening of the basic indicator, if that
indicator is a five-letter name-code, e.g. KODAP. The manner
in which such an indicator is shortened is left to the discretion
of operators.
Annex 11 — Air Traffic Services Appendix 3
1/11/01 APP 3-2
3. Assignment of designators
3.1 Each route shall be assigned a separate designator.
3.2 To distinguish between two or more routes which
　
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