The Douglas DC-2 was an American twin-engined airliner seating fourteen passengers, developed from the DC-1 prototype and a direct rival to the Boeing 247. It flew on 11 May 1934, entered service with TWA a week later and became the basis…
The Douglas DC-4 was an unpressurized four-engine transport whose production series first flew on February 14, 1942. Mass-produced during the Second World War as the military C-54 Skymaster, it became one of the workhorses of postwar…
The Douglas DC-6 is the piston-engined four-motor airliner with which the Douglas Aircraft Company took on Lockheed in the post-war long-range commercial market. It began as a military order: in 1944 the United States Army Air Forces asked…
The Douglas DC-7 was the last large piston-engined airliner built by the Douglas Aircraft Company, produced between 1953 and 1958 as a direct derivative of the DC-6. It answered a very specific request from American Airlines: an aircraft…
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