O-43

Template:Infobox Aircraft The Douglas O-43 was a monoplane observation aircraft used by the United States Army Air Corps.

Five Y1O-31A service-test aircraft were ordered in 1931, and delivered to the USAAC in early 1933 designated Y1O-43. They differed from the final configuration of the O-31A, with a wire-braced parasol wing, and a new fin and rudder. An order for 23 O-43A aircraft was completed during 1934, with a deepened fuselage, which eliminated the need for the ventral bulge under the observer's position. Powered by a single 675hp Curtiss V-1570-59, it also had taller vertical surfaces with an inset rudder similar to the O-31A. The canopy was enlarged, and fully enclosed both cockpits. The O-43 and O-43A served with the USSAC observation squadrons for several years before being assigned to reserve National Guard units, such as the 111th Observation Squadron Brownwood Airfield Texas, 15th Observation Squadron Fort Sill Oklahoma, and 3rd Observation Squadron Langley Field Virginia.

The 24th airframe of the O-43A contract was completed as the XO-46 prototype.(See Douglas O-46)

General characteristics Performance Armament

• 1 .30 cal (7.62 mm) Browning machine gun

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• The United States Army Air Forces in World War II
• Boeing History
• Aerofiles
• The complete Encyclopedia of World Aircraft cover Editors: Paul Eden & Soph Moeng, Amber Books Ltd. Bradley's Close, 74-77 White Lion Street, London, NI 9PF, 2002, 1152 pp.