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De Havilland DH-106 Comet 4C

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Date Taken:
August 1963
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Aircraft Data

The de Havilland DH.106 Comet was the world's first commercial jet airliner. Early Comet models suffered from metal fatigue, causing a string of accidents. The redesigned Comet 4 series enjoyed a long and productive career of over 30 years.

only 9 Mk 1s built, 5 of which crashed. The Mk 1A had a reinforced structure and a MTOW of 115Klb. The Mk 3 included a stretched fuselage and oval windows. The Mk 4 was a heavily modified Mk 3 incorporating a different alloy for the fuselage

Summary data for de Havilland Comet -
Country of originFirst flightNo. builtNo. in serviceCrewPassengers
United Kingdom1949114n/a456 - 109


4 x Rolls Royce Avon (6500 - 11700 lbf) or de Havilland Ghost engines.

The prototype and Comet 1 used the DH Ghost engine all later versions used various RR Avon engines


Dimensions for de Havilland Comet -
Length (Comet 4)
Wing Span115 ft. 0 in. (Comet 4)
Height30 ft. 0 in. (Comet 4)
Empty Weight75,400 lbs. (Comet 4)
Max Weight162,000 lbs. (Comet 4)


Performance of de Havilland Comet -
Max Speed500 mph (Comet 4)
Cruise Speed450 mph (Comet 4)
Ceiling40,000 ft. (Comet 4)
Normal Range3,000mi. (Comet 4)
Max Range3,225mi. (Comet 4)

Updated 22nd February 2009

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