[1] The Explorer I is no longer available as the company has moved to develop the two-seat Raven Rotor-Plane.
It complies with the US FAR 103 Ultralight Vehicles rules, including the category's maximum empty weight of 254 lb (115 kg).
It features a single main rotor, a single-seat open cockpit without a windshield and conventional landing gear.
The acceptable power range is 45 to 65 hp (34 to 48 kW) and the standard engine used is the twin cylinder, air-cooled, two-stroke, single-ignition 45 hp (34 kW) 2si 460 engine in tractor configuration.
With full fuel of 5 U.S. gallons (19 L; 4.2 imp gal) the payload for the pilot and baggage is 280 lb (130 kg).