The fixed landing gear used a nosewheel. First flight was in 1939; the aircraft bore the serial numberT46.
General Aircraft proposed the Cagnet as a basic trainer. It was tested as a Flying Observation post trainer by the Royal School of Army Co-operation from February through June 1940 (with military serial numberW7646). After that testing, it underwent various other tests. Its final flight was in 1941.
The engine was a 90 hp (67 kW) Blackburn Cirrus Minor, which gave a cruising speed of 100 mph (160 km/h).