Permanent certification for Alaska-Hawaii airlines. : Hearing before the Committee on Interstate and Foreign Commerce, United States Senate, Eighty-fourth Congress, second session, on S. 3163, a bill to amend section 401 (e) of the Civil aeronautics act of 1938 in order to authorize permanent certification for certain air carriers operating in Hawaii and Alaska, and S. 3164, a bill to amend section 401 (e) of the Civil aeronautics act of 1938 in order to authorize permanent certification for certain air carriers operating between the United States and Alaska. March 26, 1956.