"Considers (83) S. 2815, (83) H.R. 7395."@en . . . . "Definition of \"Airman\" in Civil Aeronautics Act hearings before the United States Senate Committee on Interstate and Foreign Commerce, Subcommittee on Aviation, Eighty-Third Congress, second session, on Mar. 31, 1954"@en . . . . . "Considers legislation to exempt certain aircraft mechanics from certification requirements."@en . . .