Wing span: 70in / 1700mm Wing area: 775sq in / 50sq dm Flying weight: 8.6lb / 3900 g Fuselage length: 51.2 in / 1300 mm Engine Required: 2c 0.91 cu in 4c 1.20 cu in Wing loading 80g /1 dm.sq Radio Required: 4channels,5servos