Martin B-13

Last revised July 17, 1999

The Martin B-13 was a proposed version of the YB-10 powered by a pair of 650 hp Pratt & Whitney R-1860-17 engines. Twelve examples were ordered but were all cancelled before delivery.


  1. United States Military Aircraft Since 1909, Gordon Swanborough and Peter M. Bowers, Smithsonian, 1989.

  2. American Combat Planes, Ray Wagner, Third Edition, Doubleday, 1982.

  3. U.S. Army Aircraft, 1908-1946, James C. Fahey