It was a single-seat sesquiplane (the lower wing was smaller than the upper) with a fixed tailskid landing gear.
Due to financial problems, the Dutch government did not place an order, but 117 were built for export.
There was some minor changes in design between customers, but all had the single-bay v-strut wing and powered by a 224 kW (300 hp) Hispano-Suiza piston engine.
The United States Army bought three aircraft for evaluation with the designation PW-7 and powered by a 328 kW (440 hp) Curtiss D.12.
Data from The Illustrated Encyclopedia of Aircraft (Part Work 1982-1985), 1985, Orbis Publishing, pages 1874/5General characteristics Performance Armament