during 1940, the fleetwings company designed and built a two-seat primary trainer, the model 33. although the company were experts with stainless-steel construction the aircraft was built from light-alloy. it was a cantilever low-wing monoplane with a conventional tail unit and fixed tailwheel landing gear, powered by franklin 6ac piston engine. the instructor and pupil were accommodated in two tandem open cockpits. only the prototype was built.