 With the competition lost, the development of the XSBF-1 came to an end; the sole prototype was assigned to Naval Air Station Anacostia, where it had been tested, for use as a liaison aircraft and hack.In addition, the XSBF was used by the National Advisory Committee for Aeronautics' Langley Research Laboratory as part of the facility's work on aeronautical research.During its time at Anacostia, the aircraft was involved in three accidents, one each in 1937, 1938 and 1939; after the first two accidents, it was repaired.