Dewoitine D.9

The Dewoitine D.9 was a French monoplane fighter built by Dewoitine and built under licence in Italy as the Ansaldo AC.3.[1]

Role Monoplane fighter
Manufacturer Dewoitine
Designer Emile Dewoitine
First flight 1924
Primary user Regia Aeronautica
Number built 150+

Design and development

The D.9 was a single-seat high-wing monoplane with a conventional landing gear and powered by a 320 hp (239 kW) Gnome-Rhône 9Ab Jupiter radial engine.[1] First flown in 1924 it was not accepted by the French Army being ranked sixth in the 1923 single-seat fighter competition.[1] A small number of production aircraft were sold for export to Belgium and Yugoslavia and three were built from parts by EKW for the Swiss Air Force.[1] The biggest achievement of the type was an order to licence-build 150 aircraft for the Italian Regia Aeronautica, built by Ansaldo as the Ansaldo AC.3. The type served into the 1930s with the Italian forces.[1]


 Kingdom of Italy


Data from Illustrated Encyclopedia of Aircraft[1]

General characteristics

  • Crew: one
  • Length: 7.30 m (23 ft 11 in)
  • Wingspan: 12.80 m (42 ft 0 in)
  • Height: 3.00 m (9 ft 10 in)
  • Wing area: 25.00 m2 (269.1 sq ft)
  • Empty weight: 945 kg (2,083 lb)
  • Max takeoff weight: 1,333 kg (2,939 lb)
  • Powerplant: 1 × Gnome-Rhône 9Ab Jupiter radial piston engine, 420 kW (560 hp)


  • Maximum speed: 245 km/h (152 mph, 132 kn) at sea level
  • Range: 400 km (250 mi, 220 nmi)
  • Service ceiling: 8,500 m (27,900 ft)
  • Rate of climb: 8.75 m/s (1,722 ft/min)


See also

Related lists


  1. Orbis 1985, p. 1435
  • The Illustrated Encyclopedia of Aircraft (Part Work 1982-1985). Orbis Publishing.

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