Specifications Engine: Volkswagen 1600cc, 4cylinder, 4cycle, air-cooled. Dimensions & Capacity: 146 length, 66 Width, 49 height, 425lb payload, 670lb unladen weight. Performance: 30mph over water, 40 mph over land, climbs a 20% grade, hovers 2 to 4 above surface, carrys 2 adults, zero turning radius, 3.8 gallons per hour at cruise. Construction: All Fiberglass construction, sealed twin hull serves as floatation tanks.Note RevFlight Model 240 is coast-guard approved and licensed as a boat