Airways modernization act of 1957 :
hearings before a subcommittee of the Committee on Interstate and Foreign Commerce, House of Representatives, Eighty-fifth Congress, first session, on H.R. 6872 a bill to provide for the development and modernization of the national system of navigation and traffic control facilities to serve present and future needs of civil and military aviation, and for other purposes, and identical bills ...
|Corporate Author:||United States.|
Washington, D.C. : U.S. Govt. Print. Off., 1957.
Air traffic control
Air traffic control /
Air traffic control / United States /
Hearings held June 5-12, 1957.
iii, 128 p. ;
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||University of California|