It's a recreational 1-seat, 1-engine aircraft that weighs no more than 254 pounds & carries 5 gallons of fuel or less
The plane could weigh no more than 254 pounds empty, carry a maximum 
of 5 gallons of fuel, and fly no faster than 55 knots at full power... [DOC] [TLE] Frequently Asked Questions (FAQs) | SkyRunner [PAR] 1.