Helicopter air traffic control operations
By: prepared for U.S. Department of Transportation, Federal Aviation Administration, Systems Research & Development Service.
Contributors: United States. Federal Aviation Administration. Systems Research and Development Service.
Publisher: The Service; [National Technical Information Service distributor]
Published: 1979
Place of publication: Washington, D.C; Springfield, Va
Language: eng
Subjects: Helicopters -- Control systems.
Notes: Cover title.

"Final report."

"May 1979."

"FAA-RD-78-150."

Bibliography: P. 7-1-7-13.