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Douglas O-43 Aircraft Information

Douglas O-43

0-43

Manufacturer: Douglas Aircraft Company
Introduced: 1930
Primary user: United States Army Air Corps
Number built: 24
Variants: Douglas O-31

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. 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 675 hp Curtiss V-1570-59 inline engine, 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 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).

Specifications (O-43)

Data from "United States Military Aircraft Since 1909" by F. G. Swanborough & Peter M. Bowers (Putnam New York, ISBN 085177816X) 1964, 596 pp.

General characteristics

Crew: 2
Length: 33 ft 11 in (10.34 m)
Wingspan: 45 ft 8 in (13.92 m)
Height: 12 ft 3 in (3.74 m)
Wing area: 340 ft (31.6 m)
Airfoil: fabric covered parasol
Empty weight: 4,135 lb (1,875.6 kg)
Loaded weight: 5,300 lb (2404 kg)
Powerplant: 1x Curtiss V-1570-59 water-cooled V12 inline engine, 675 hp (540 kW)

Performance

Maximum speed: 190 mph (306 km/h)
Cruise speed: 163 mph (262 km/h)
Service ceiling: 22,400 ft (6827.52 m)
Rate of climb: 1,515 ft/min (462 m/min)

Armament

1 fixed and 1 flexible .30 cal (7.62 mm) Browning machine gun

Related development

Douglas O-31
Douglas O-46

Comparable aircraft

Breguet 270 Series
Heinkel He 46
RWD-14 Czapla

Douglas O-43 Pictures

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Source: WikiPedia

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