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The Donnet-Denhaut D.D.2 was a successful response to the call by Aviation Maritime for an armed, radio-carrying flying boat, capable of carrying a pair of bombs for use against submarines. It was quite successful and 401 were built.

Donnet-Denhaut D.D.2
Role Flying Boat
Manufacturer Donnet-Denhaut
Primary users Roundel of the French Air Force before 1945.svg France
US Army Air Roundel.svg U.S.A.
Number built 401 [1]
Wingspan 14.2 m (46 ft 7 in)[2]
Engine 150hp Hispano-Suiza 8Aa vee[note 1]
Armament flexible nose MG
2×35–50 kg (77–110 lb) bombs
Crew 2
Max Speed 160 km/h (99 mph)[1][2][note 2]
Climb 3,000 m (9,840 ft) in 11:00[2]
Range 450 km (280 mi)[1]

The US Navy purchased some DD.2s, but as they were getting old by 1918, they were mostly used for training. Instead DD.8's and DD.9's were used for combat missions.[1]

It carried a wireless transmitter and it was used for maritime and anti-submarine patrol in the Atlantic, Mediterranean, and North Sea.[3]

For more information, see Wikipedia:Donnet-Denhaut flying boat.


  1. 36 were built with the less-reliable 160hp Canton-Unné R9[1]. The final versions used the 200hp Hispano-Suiza.[3]
  2. 129 km/h (80 mph) cruising speed.[2]
  1. 1.0 1.1 1.2 1.3 1.4 Davilla, p.192.
  2. 2.0 2.1 2.2 2.3 Nowarra, pp.202-203.
  3. 3.0 3.1 Nowarra, p.130.
  • Dr. James J. Davilla and Arthur M. Soltan. French Aircraft of the First World War. Flying Machines Press, 1997. ISBN 0-9637110-4-0.
  • Heinz J. Nowarra, Bruce Robertson, and Peter G. Cooksley. Marine Aircraft of the 1914-1918 War. Letchworth, Herts, England: Harleyford Publications Limited, 1966. ISBN 0900435070