Procedures for air navigation services
Subtitle: air traffic management
Edition: 14th ed.
Series: [ICAO] Doc -- 4444-ATM/501
Publisher: International Civil Aviation Organization
Published: 2001
Place of publication: Montreal
Language: eng
Notes: "This edition incorporates all amendments approved by the Council prior to 30 June 2001 and supersedes, on 1 November 2001, all previous editions of Doc 4444."

Corrigendum dated 19/4/02 filed in.