The Douglas NO-2 was a 1920s proposal for a reconnaissance aircraft by Douglas.
Design The NO-2 was intended to utilize a tractor engine, high wing configuration, with power coming from two Wright J-5 Whirlwind radial engines each delivering .Fahey, James C. (1946). U.S. Army Aircraft 1908–1946.Andrade, John M. (1979). U.S. Military Aircraft Designations and Serials Since 1909. Midland Counties Publications. .
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