Procedures for air navigation services : ICAO abbreviation and codes.
International Civil Aviation Organization.
Montreal, Quebec : International Civil Aviation Organization,
1999.
"This edition incorporates all amendments approved by the Council prior to 27 February 1999 and supersedes, on 4 November 1999, all previous editions of PANS-ABC (Doc 8400)."
Contains Amendment no. 26.
Radiotelephony procedures. Doc. 7181-COM/546/5.-
Aeronautics
Aeronautics
Aeronautics, Commercial