Designators for Aircraft Operating Agencies, Aeronautical Authorities and Services (Doc 8585/196)

196th Edition, April 2021
USD 289.00

Please note new editions are published quarterly as follows: January, April, July and October.

Notes for Digital Publications
Close tooltip

Notes for digital publications

ICAO publications in digital format are protected by security features and require Adobe Reader. How to install Adobe Reader
  • Files are in PDF format
  • Annotations and copy and paste is permitted
  • No editing of the original content is permitted
  • Printing is not permitted
  • Your username and password to access the publication will be the same to access the ICAO online store

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.

More Information
SKU DOC-08585-196-01
Order No. 8585/196
Publication type Manual
Edition 196th Edition, April 2021