Douglas O-43
The Douglas O-43 was a monoplane observation aircraft used by the United States Army Air Corps. == Development == Five Y1O-31A service-test aircraft were ordered in 1931, and delivered to the USAAC in early 1933 designated Y1O-43.
The Douglas O-43 was a monoplane observation aircraft used by the United States Army Air Corps. == Development == Five Y1O-31A service-test aircraft were ordered in 1931, and delivered to the USAAC in early 1933 designated Y1O-43.
The Douglas O-43 was a monoplane observation aircraft used by the United States Army Air Corps. == Development == Five Y1O-31A service-test aircraft were ordered in 1931, and delivered to the USAAC in early 1933 designated Y1O-43.
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