[1] 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.

[1] Data from Illustrated Encyclopedia of Aircraft[1]General characteristics Performance Armament