Aircraft collision avoidance and air traffic safety
Subtitle: hearing before the Subcommittee on Transportation, Aviation, and Materials of the Committee on Science and Technology, U.S. House of Representatives, Ninety-seventh Congress, first session, September 2, 1981
Publisher: U.S. G.P.O.
Published: 1982
Place of publication: Washington
Language: eng
Number of pages: 77
Subjects: Airplanes -- Collision avoidance; Air traffic control -- United States -- Computer programs
Notes: "No. 52."