CD-ROM Designators for Aircraft Operating Agencies, Aeronautical Authorities and Services (Doc 8585/181) - MULTILINGUAL - DIGITAL
Edition Edition No. 181. July 2017.
The designators consist of: a) three-letter designators for use on the international aeronautical telecommunication service and for aircraft identification by air traffic control (ATC); and b) telephony designators for aircraft operating agencies and for authorities and services operating aircraft, which may be used as appropriate. Parts 1, 2 and 3 consist of encode and decode tables linking aircraft operating agencies, aeronautical authorities and services with their assigned ICAO three-letter and telephony designators. Addresses of government civil aviation authorities are listed in Part 4.
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