Air traffic services
Subtitle: air traffic control service, flight informationservice, alerting service : annex 11 to the Convention on International Civil Aviation.
Contributors: International Civil Aviation Organization.
Edition: 7th ed.
Series: International standards and recommended practices
Publisher: International Civil Aviation Organization
Published: 1978
Place of publication: Montreal
Language: eng
Work titles: Convention on International Civil Aviation. Annex 11.
Notes: Previous ed., 1970.