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The Douglas O-38 is an observation airplane used by the United States Army Air Corps in the 1930s and early 1940s. Between 1931 and 1934, Douglas built 156 O-38s for the Air Corps, eight of which were O-38Fs. Some were still in service at the time of the Pearl Harbor Attack in 1941.
They flew a wide variety of aircraft during the inter-war period. These included the Curtiss JN-4 "Jenny", Consolidated PT-1 "Trusty", Consolidated PT-3, Northrop BT-1, Douglas O-2 and Consolidated O-17 Courier during 1923–1931; the Douglas O-38 during 1931–1935; and the Douglas O-43 and North American O-47 between 1935 and 1942. [1] [2]
The Douglas proposals resulted in the Air Corps placing an order for two prototypes, the XO-35 and XO-36, on 26 March 1930. The two aircraft were to differ only in the engines fitted, with the XO-35 having geared Curtiss V-1570 -29 Conqueror engines, while the XO-36 used direct-drive V-1570-23, which both produced 600 hp (450 kW) each.
The Douglas O-2 was a 1920s American observation aircraft built by the Douglas Aircraft Company, powered by the Liberty engine of WW1 fame, with some later variants using other engines. It was developed into several versions, with 879 being produced in total.
(Dirección Nacional de Fabricación e Investigación Aeronáutica - Spanish language for "National Directorate of Aeronautical Manufacturing and Research").. DINFIA IA 24 ...
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This list of United States Air Force aircraft designations (1919–1962) includes prototype, pre-production and operational type designations under the 1919 and 1924 United States Army Air Service aircraft designation systems, which were used by the United States Air Force and its predecessors until the introduction of the unified United States Tri-Service aircraft designation system in 1962.
The Douglas DT bomber was the Douglas Aircraft Company's first military contract, forging a link between the company and the United States Navy. Navy Contract No. 53305 of April 1, 1921, required only 18 pages to set out the specifications that resulted in the purchase of three DT (D for Douglas, T for torpedo ) folding-wing aircraft .