01077cam a22002292 4500 hsl000663164 DGPO 20170826152446.0 100222s1947 dcu f000 0 eng d GPO GPO MvI Y 4.IN 8/3:SA 1/5 Y 4.IN 8/3:SA 1/5 Air safety : hearings before subcommittee, 80th Congress, 1st session, on S.3, to provide for training of air-traffic control-tower operators, S.4, authorizing advanced training in aeronautics of technical personnel of Civil Aeronautics Administration, and S.269, to create independent Air Safety Board, Jan. 28-Feb. 7, 1947. [Washington, D.C.], 1947. iii, 435 p. Document for sale by the Superintendent of Documents, paper. CRDP Program Historic Shelflist record. Aeronautics Safety measures. Aeronautics, Commercial United States. Air traffic control United States. United States. Congress. Senate. Committee on Interstate and Foreign Commerce. BEV Fed Docs 261816 261816