Narrowbody · ICAO DC94

Douglas DC-9-40

The Douglas DC-9-40 is a further-stretched version of the DC-9 family, extending the fuselage beyond the popular -30 for additional passenger capacity. Scandinavian carrier SAS was among its most significant customers, using it extensively across Scandinavia's regional route network. Its extra length required minor structural and systems changes over the shorter DC-9 variants to keep performance and handling consistent. It represented a step on the path toward the even longer -50 and the later MD-80 family.

Douglas DC-9-40, example photo from Wikimedia Commons
Photo: Alan Wilson from Stilton, Peterborough, Cambs, UK · CC BY-SA 2.0 · Wikimedia Commons

Did you know?

The stretched DC-9-40 became a favourite of Scandinavian carrier SAS, flying extensively across its regional route network.

Specifications

Length38.3 m (126 ft)
Wingspan28.5 m (93 ft)
Height8.5 m (28 ft)
Maximum passengers125
Persons on board110-125
Maximum take-off weight54.8 t
Range1,560 NM (2,889 km)
Maximum speed490 kt (907 km/h)
Service ceiling37,000 ft (11,278 m)
Optimum ceiling33,000 ft (10,058 m)
Rate of climb3,000 ft/min (15.2 m/s)
Take-off distance1,686 m (5,531 ft)
Fuel capacity13,900 l
Engines2x Pratt & Whitney JT8D-11
Units built71

Curated by CatchFlights from manufacturer documents, ICAO Doc 8643 and reference works; values are left out where no source could confirm them. Sources are listed on our credits page.

In CatchFlights

In CatchFlights the Douglas DC-9-40 starts as a Very rare catch. The tier is an editorial judgement of how special a sighting of this type is. The more often you catch it, the closer it moves to Common for you.

A catch counts for the manufacturer Douglas, the DC-9 family and the model in your collection, and the daily Type Rating quiz asks about the types of each family.

More from the DC-9 family

Catch it yourself.CatchFlights shows the aircraft flying near you on a radar, so a type like this one is only a catch away when it passes overhead. Explore CatchFlights.

Browse all aircraft types, or learn to tell Airbus from Boeing.

Download

Catch what flies overhead

CatchFlights is free on the App Store for iPhone. On Android it is in closed testing on Google Play — join the testers and help shape the game.

iPhone · Android (beta)