Type: Single-seat light cabin aeroplane for sport and touring.
Wings: Low-wing cantilever monoplane. Wings taper in chord and thickness to rounded ends, each attached by three bolts to short wing roots. Single spruce box-spar. Torsion-resisting plywood-covered nose. Remainder covered with fabric. Low aspect-ratio ailerons covered with plywood. Wings quickly folded.
Fuselage: Wooden box structure with plywood covering.
Tail unit: Cantilever monoplane type. Adjustable tail plane and fin covered with plywood. Unbalanced control surfaces. Wood structure.
Landing gear: Divided type. Oleo-cum-compression-rubber springing. Low-pressure tires. Internally-expanding wheel-brakes. Sprung tail-skid with hard-steel rubbing-shoe.
Power plant: One 70/80 hp Hirth HM.60 four-cylinder air-cooled inverted in-line engine. Fuel tank of 26.5 gal (100 l) capacity behind fireproof bulkhead feeds by gravity or through double engine-driven pump. Additional 26.5 gal (100 l) fuel tank can go in locker behind pilot. Coil or magneto ignition, as desired.
Accommodation: Pilot's cockpit enclosed by celluloid windscreen and sliding hood of celluloid which can be pushed back when flying. Provision for back-type parachute. Second locker for lighter articles behind. Third locker for tools and spare parts behind fireproof bulkhead.