Civil Aeronautics Board

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Seal and flag of the defunct Civil Aeronautics Board on display in the National Air and Space Museum

The Civil Aeronautics Board (CAB) was an agency of the Federal Government of the United States that regulated aviation services and provided air accident investigation.


The Civil Aeronautics Authority Act of 1938 formed the Civil Aeronautics Authority. The agency was renamed in 1940,[1] due to a merger with the Air Safety Board.[2] It became an independent agency under Reorganization Plans Nos. III and IV of 1940, effective on June 30, 1940. The Air Safety Board had formed in 1938. Other predecessor agencies include the Aeronautics Branch (1926-1934), the Bureau of Air Commerce (1934-1938), and the Bureau of Air Mail, Interstate Commerce Commission (1934-38).[3]

The first air accident investigation was the one of the Lovettsville air disaster in 1940.

Some duties were transferred to the Federal Aviation Agency in 1958.[1]

The National Transportation Safety Board (NTSB) was established in 1967, taking over air accident investigation duties.[1]

The Airline Deregulation Act of 1978 specified that the CAB would eventually be disestablished. The agency was disestablished on January 1, 1985.[4] The remaining tasks were transferred to the Secretary of Transportation except for a few going to the U.S. Postal Service.[1]

See also[edit]


  1. ^ a b c d The United States Government Manual 2009-2010. Government Printing Office, October 30, 2009. ISBN 0160839491, 9780160839498. p. 581.
  2. ^ Kaps, Robert W. Air Transport Labor Relations (Southern Illinois University Press series in aviation management, Southern Illinois University at Carbondale). SIU Press, 1997. ISBN 0809317761, 9780809317769. p. 197.
  3. ^ "Records of the Civil Aeronautics Board." United States National Archives. Retrieved on September 16, 2014.
  4. ^ Kane, Robert M. Air Transportation. Kendall Hunt, 2003. ISBN 0787288810, 9780787288815. p. 121 (A part of the "Civil Aeronautics Board" section).

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