Use of helicopters as means of transportation for mail delivery network calls for development of instrument flight capabilities; problems invloved to improve stability and evaluation of instrumentation; reference to electronic navigational systems, such as TACAN and Decca, and experiments with latter in New York City with New York Airways and Port Authority; proposed FAA all-weather program.
Helicopters and instrument flight
Am Helicopter
American Helicopter ; 54 , n 4
1959
Article (Journal)
English
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