Blériot-SPAD S.40

The Blériot-SPAD S.40 was a French observation aircraft built in the early 1920s. It was a biplane with a monocoque fuselage of wood and canvas construction. The specification lists a crew of two, a length of 9.02 m, a wingspan of 12.47 m, a height of 3.25 m, a wing area of 43 square metres, an empty weight of 1,282 kg, a gross weight of 1,982 kg and a maximum speed of 215 km/h from one 280 kW Lorraine 12D water-cooled V-12 piston engine driving a two-bladed fixed-pitch propeller. The English Wikipedia article is a short stub and gives no account of its service or of how many were built.