01013cam a22002052  4500001001300000003000500013005001700018008004100035040001800076086002200094245033100116260003100447300001600478500006500494500004400559650003400603650004400637650004000681710008600721hsl000663164DGPO20170826152446.0100222s1947    dcu          f000 0 eng d  aGPOcGPOdMvI0 aY 4.IN 8/3:SA 1/500aAir safety :bhearings 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.  a[Washington, D.C.],c1947.  aiii, 435 p.  aDocument for sale by the Superintendent of Documents, paper.  aCRDP Program Historic Shelflist record. 0aAeronauticsxSafety measures. 0aAeronautics, CommercialzUnited States. 0aAir traffic controlzUnited States.1 aUnited States.bCongress.bSenate.bCommittee on Interstate and Foreign Commerce.