Douglas DC-7

E442593

The Douglas DC-7 is a long-range, four‑engine propeller-driven airliner introduced in the 1950s, known as one of the last major piston-powered transports before the jet age.

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Observed surface forms (1)

Surface form Occurrences
Douglas DC-7 (conceptual lineage) 1

Statements (50)

Predicate Object
instanceOf airliner
four-engined aircraft
piston-engined airliner
aircraftRole cargo transport
long-range airliner
passenger transport
configuration low-wing monoplane
countryOfOrigin United States of America
surface form: United States
crew 3
cruiseSpeed 580 km/h
DC-7CNickname Seven Seas NERFINISHED
developedFrom Douglas DC-6 NERFINISHED
engineType piston engine
enteredServiceWith American Airlines NERFINISHED
firstFlight 1953-05-18
firstOperator American Airlines NERFINISHED
height 10.29 m
ICAOTypeDesignator DC7 NERFINISHED
introduced 1953
landingGear tricycle landing gear
length 34.65 m
manufacturer Douglas Aircraft Company NERFINISHED
maximumPassengerCapacity 105
maximumSpeed 644 km/h
maximumTakeoffWeight 61,235 kg
notableFeature one of the last major piston-powered long-range airliners before the jet age
numberBuilt 338
powerplant 4 × Wright R-3350 Duplex-Cyclone radial engines
pressurizedCabin yes
primaryUser American Airlines NERFINISHED
BOAC NERFINISHED
Pan American World Airways NERFINISHED
United Airlines NERFINISHED
productionEnd 1958
productionStart 1953
range 7,200 km
retiredFromAirlineService 1970s
serviceCeiling 7,600 m
status retired
successor Douglas DC-8 NERFINISHED
tailConfiguration conventional tail
typicalPassengerCapacity 69
usedFor transatlantic flights
transcontinental flights
variant Douglas DC-7A NERFINISHED
Douglas DC-7B NERFINISHED
Douglas DC-7C NERFINISHED
Douglas DC-7F NERFINISHED
wingArea 134.3 m²
wingspan 38.86 m

Referenced by (5)

Full triples — surface form annotated when it differs from this entity's canonical label.

Donald Wills Douglas Sr. designed Douglas DC-7
Douglas DC-8 developedFrom Douglas DC-7
this entity surface form: Douglas DC-7 (conceptual lineage)
Douglas DC-6 followedBy Douglas DC-7
Wright R-3350 Duplex-Cyclone radial engine notableApplication Douglas DC-7
subject surface form: Wright R-3350 Duplex-Cyclone