APPENDIX F – IDENTIFICATION OF AN AIRCRAFT
The following table lists the designation of the different codes used for the identification of an aircraft in the ICAO literature and in AIRBUS cockpit.
ICAO  AIRBUS  Examples 
Aircraft Identification Up to 7 characters, it is: -The registration marking of the aircraft when: .. In radiotelephony the call sign used by the aircraft will consist of this identification alone or preceded by the ICAO telephony designator for the aircraft operating agency; .. The aircraft is not equipped with radio. -The ICAO designator for the aircraft operating agency followed by the flight identification when in radiotelephony the call sign used by the aircraft will consist of the ICAO telephony designator for the operating agency followed by the flight identification.  Flight Number entered into the FM INIT A page.  F-OHAP AIB1234 
Flight identification  Numerical part of the flight number (up to 4 characters).  1234 
 Airline ID is the IATA 2-letter code. Used for data link.  AU 
 Flight ID Airline ID followed by the flight identification (up to 6 characters). Used for data link.  AU1234 
Registration Marking It is the tail number.  Aircraft Registration Number (ARN) Used for data link.  F-WWOW 
Aircraft Address A unique combination of 24 bits  ICAO Code (data link) or Mode S address  380338 (hexadecimal 
- F-1 -

ICAO  AIRBUS  Examples 
available for assignment to an aircraft for the purpose of air-ground communications, navigation and surveillance.  (transponder)  format) 
Call Sign ICAO telephony designator for the operating agency followed by the flight identification.  “AIRBUS ONE TWO THREE FOUR” for AIB1234 
ICAO telephony designator for the operating agency Designator defined in ICAO Doc 8585.  “AIRBUS” for AIRBUS 

Recommendations for the use of radiotelephony call signs are provided in ICAO Annex 10, Volume II, Chapter 5 (see References). ICAO designators and telephony designators for aircraft operating agencies are listed in ICAO Doc 8585 — Designators for Aircraft Operating Agencies, Aeronautical Authorities and Services (see References).

APPENDIX G  – AVIATION METEOROLOGY REMINDERS

This appendix provides some reminders about aviation meteorology. For further details, please refer to typical aviation meteorology courses.
G.1. STANDARD ATMOSPHERE
The figure below illustrates the different layers of the atmosphere and the variation of standard temperature with altitude. Interesting clouds for transport aviation are in the Troposphere.
However, specific clouds may
form in the Stratosphere
(nacreous clouds also called
mother-of-pearl clouds), and in
the Ionosphere (noctilucent
clouds or NLC). Auroras also
　
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