Douglas YO-31A 31-604 (in the NACA wind tunnel at Langley)
Douglas YO-31A 31-604 (msn 1069), shown mounted in the full-scale National Advisory Committee for Aeronautics (NACA) wind tunnel at Langley, Virginia. 31-604 was tested at Wright Field as the XYO-31A and was later tested in the NACA wind tunnel at Langley in May 1932, before returning to Douglas at Santa Monica
Picture No
13338552
Media ID
47768488
Size
5433px x 3372px
(5.2MB)
Credit
(c) The Peter Butt Aviation Collection / Mary Evans
Source
unattributed photographer - scanned from an original print
Date
1932
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1069 Advisory Full-scale Langley Naca Returning Tested
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