The Douglas DC-7 is a retired American transport aircraft built by the Douglas Aircraft Company from 1953 to 1958. A derivative of the DC-6 , it was the last major piston engine-powered transport made by Douglas, being developed shortly after the earliest jet airliner—the de Havilland Comet —entered service and only a few years before the ...

It is a twin-row, supercharged, air-cooled, radial engine with eighteen cylinders, pushrod valves, two-speed single-stage supercharger, Chandler-Evans downdraft carburetor fuel system, and dry-sump oil system. It produces a maximum thrust of 3,250 horsepower each.

May 18, 2022 · Built by the Douglas Aircraft Company between 1953 and 1958, the DC-7 was a derivative of the DC-6, made to fly coast-to-coast across the US in as little as eight hours. The DC-7 was the last piston-engine powered plane built by Douglas, and no examples of the aircraft are still flying today.

N836D is a former Eastern Air Lines Douglas DC-7B restored to flying condition and previously operated from Miami-Opa Locka Executive Airport, in Opa-locka, Florida. The aircraft's airworthiness certificate expired in June 2013 [1] and it remains at Charlotte Douglas International Airport on static display. [2]

Feb 12, 2025 · The Douglas DC-7 was a transport aircraft built by the Douglas Aircraft Company from 1953 to 1958. The last major piston engine-powered transport made by Douglas, it was developed right after the earliest jet airliner (de Havilland Comet) and just a few years before the jet-powered Douglas DC-8.

The Douglas DC-7 was an advanced development of the DC-6B piston-engine airliner. It was introduced by American Airlines on its New York–Los Angeles route in November 1953 and was the first airliner to provide nonstop transcontinental service in both directions.

May 7, 2021 · The DC-7 was the final propeller aircraft produced by Douglas. Despite it being the last of a generation, it caused quite a stir in the industry when it was introduced in the 1950s. The jet engine would enter the market in the same decade.

Douglas' largest and last piston engined airliner, the DC-7 was one of the first airliners capable of nonstop trans Atlantic crossings between New York and London. Previously the DC-7 designation had applied to a commercial development of the C74 Globemaster I that PanAm had ordered.

Jan 20, 2022 · Powered by a turbo-compound version of the Wright R-3350 engine producing 30% more power than the 18-cyclinder radial R-3350s powering American's DC-6s, the Super Constellation was capable of non-stop transcontinental operations, even into headwinds.

Narrative: Douglas DC-7 1954-1968 The Lockheed 5C Vega was a wooden high-winged cabin monoplane with seating for up to six passengers, although Delta used its two leased planes for mail service only. NC107W (serial 3160)