The Dewoitine D.9 was a French monoplane fighter built by

Dewoitine Constructions Aéronautiques Émile Dewoitine was a French aircraft manufacturer established by Émile Dewoitine at Toulouse in October 1920. The company's initial products were a range of metal parasol-wing fighters which were largely ignored by t ...

and built under licence in Italy as the Ansaldo AC.3.

Design and development

The D.9 was a single-seat high-wing

monoplane A monoplane is a fixed-wing aircraft configuration with a single mainplane, in contrast to a biplane or other types of multiplanes, which have multiple planes. A monoplane has inherently the highest efficiency and lowest drag of any wing con ...

with a conventional landing gear and powered by a Gnome-Rhône 9Ab Jupiter radial engine. First flown in 1924 it was not accepted by the

French Army The French Army, officially known as the Land Army (french: Armée de Terre, ), is the land-based and largest component of the French Armed Forces. It is responsible to the Government of France, along with the other components of the Armed Force ...

being ranked sixth in the 1923 single-seat fighter competition. 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. 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.

Operators

; * Belgian Air Force - two ; *'' Regia Aeronautica'' - 150 licence-built as the Ansaldo AC.3 ; * Swiss Air Force, three licence-built by EKW ; *

Yugoslav Royal Air Force The Royal Yugoslav Air Force ( sh-Latn, Jugoslovensko kraljevsko ratno vazduhoplovstvo, JKRV; sh-Cyrl, Југословенско краљевско ратно ваздухопловство, ЈКРВ; ( sl, Jugoslovansko kraljevo vojno letalstv ...

- two

Specifications

References

Notes

Bibliography