ModelC/NOperators Specifications R44 Raven Engine 1 x Lycoming O-540-F1B5 260 shp Capacity 1 + 3 Length (m) 11.6 Height (m) Blades 2 Rotor diam. (m) 10.1 Disc area (m2) Weight (kgs) Max: 1088 Speed (km/h) Range (km) Ceiling (m) Rate/Climb (m/min)