SPECIFICATIONSStock Number: GPMA1326 Wingspan: 68 in (1725 mm) Wing Area: 743 sq in (48 dm2)Weight: 11-1/4 - 12-1/4 lbs (5105 - 5555 g)Wing Loading: 34.9 - 38 oz/sq ft (106 - 116 g/dm2)Length: 45 in (1145 mm) Radio Required: 4-channel with six servosEngine Required: .91 - 1.08 cu in (15 cc - 18 cc) two-stroke or a 1.20 cu in (20 cc) four-stroke