Osprey GP-4 Specs

GP-4Seats: 2
Cabin Width: 40 in.
Gross Weight: 2,000 lbs.
Empty Weight: 1,260 lbs.
Useful Load: 740 lbs.
Baggage: 10.5 sq ft – 75 lbs
Wheel Track: 8′
Engine: Lycoming IO-360-A1A
Wing Airfoil: Laminar 63 Series
Range at 75%: 1,100 mi, 240 mph
Take Off Distance: 600 ft.
Landing Distance: 1,200 ft.
Climb Rate @ MSL: 2,200 fpm
Wing Span: 24′
Wing Area: 104 sq ft
Wing Load (full gross): 19.09 lbs/sq ft
Span Loading: 80.45 lbs/sq ft
Length: 21′ 6″
Aspect Ratio: 5.54 to 1
Dihedral: 5 Degrees
Fuel: 54 Gallons
Service Ceiling: 20,000 +
Vmax: 255 mph
Cruise Speed 75%: 240 mph true
V s1 (stall clean): 70 mph
V s0 (Lndg config): 62 mph