U.S. national aviation standard for the active beam collision avoidance system (final standard for public comment).
Contributors: United States. Federal Aviation Administration. Systems Research and Development Service.
Publisher: Dept. of Transportation, Federal Aviation Administration, Systems Research & Development Service
Published: 1980
Place of publication: Washington, D.C
Language: eng
Number of pages: 73
Subjects: Racon.; Air traffic control -- United States.
Notes: Cover title.

"October 20, 1980."

"Published in Federal Register (45 FR 71156) October 27, 1980."