The Commander Sport was designed to comply with the US Experimental - Amateur-built aircraft rules. It features a single main rotor, a single-seat open cockpit with a small cockpit fairing with a windshield, tricycle landing gear with a steerable nose wheel and wheel pants, plus a tail caster. The standard engine supplied was the twin cylinder, liquid-cooled, two-stroke, dual-ignition 640NaN0 Rotax 582 engine in pusher configuration. The 500NaN0 Rotax 503 and 400NaN0 Rotax 447 engines were factory options.
The aircraft fuselage is made from metal tubing, while the fairing is fiberglass. Its two-bladed rotor has a diameter of 231NaN1. The aircraft has a typical empty weight of 275lb and a gross weight of 750lb, giving a useful load of 475lb. With full fuel of the payload for the pilot and baggage is 421lb.
The standard day, sea level, no wind, take off with a 640NaN0 engine is 1000NaN0 and the landing roll is 50NaN0.
Original factory kit options were a pre-rotator, cockpit fairing, wheels pants and long range fuel tank. The manufacturer estimated the construction time from the supplied kit as 30 hours and put completion time as 3–4 days work.
