Report : fifth meeting, Montreal, 22 October-2 November 1973 /
International Civil Aviation Organization.All-Weather Operations Panel.
Montreal : International Civil Aviation Organization,
1974.
"Developed by the All-Weather Operations Panel and issued by authority of the Air Navigation Commission."
The supplement to the report indicates the action taken on the report by the Air Navigation Commission.
Cover title.
Airplanes
Guidance systems (Flight)
Aeronautical instruments