Diamond DA-50RGDiamond DA 50RG airplane model. The DA50 RG is a five seat, retractable gear single engine airplane with known icing protection and a Garmin G1000 NXi panel. Critically, it also burns Jet A, thanks to a 300 horsepower Continental CD 300 engine. Diamond says the CD 300 will push the airplane along at 181 knots on only nine gallons per hour. Mahogany wood. Scale: 1 24. Wingspan 22 inches, Length 15 inches