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McDonnell Douglas DC-9-31

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Aircraft Data

The McDonnell Douglas DC-9 is a single-aisle short to medium jet airliner. It was a two engined partner for the DC-8 programme, and a smaller rival for the Boeing 727. It is known for its long life and reliability, many of the youngest are still active.

The DC-9-31 was a standard length version of the type, produced mainly for US airlines. The 30 series DC9s had excellent short field performance, and were the most numerous variant of the type.

Summary data for McDonnell Douglas DC-9 31
Country of originFirst flightNo. builtNo. in serviceCrewPassengers
USA19672351202n/a - 115


2 x Pratt & Whitney JT8D (16000 - 20000 lbf) turbofan engines.

Choice of JT8Ds, ranging from 14500 to 16000lb thrust.


Dimensions for McDonnell Douglas DC-9 31
Length119 ft. 4 in.
Wing Span93 ft. 5 in.
Height27 ft. 5 in.
Empty Weight57,190 lbs.
Max Weight110,000 lbs.


Performance of McDonnell Douglas DC-9 31
Max Speed488 kts
Cruise Speed450 kts
Ceiling35,000 ft.
Normal Range1,200nm
Max Range1,635nm

Updated 3rd December 2008

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