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. 
<br/><br/> Document for sale by the Superintendent of Documents, paper.  CRDP Program Historic Shelflist record. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Aeronautics--Safety measures.<br/>Aeronautics, Commercial--United States.<br/>Air traffic control--United States.
<br/><br/><label>Gov. Doc. Class. No.: </label>Y 4.IN 8/3:SA 1/5