Specifications Dragonfly HR.1 Engine 1 x Alvis Leonides 50 540 shp Capacity 1 + 4 Length (m) 17.54 Height (m) Blades 3 Rotor diam. (m) 14.63 Disc area (m2) 168.1 Weight (kgs) Empty: 2004 Max: 2675 Speed (km/h) Range (km) 482 Ceiling (m) Rate/Climb (m/min) List of Operators of Dragonfly HR.1 Years Model Org 1950/67 dragonfly Fleet Air Arm 1953/58 dragonfly Royal Air Force Global Distribution of Dragonfly HR.1 9hr.1 Construction Numbers C/N Year History wa/h/008 1949 VX595 wa/h/009 1949 VX596 wa/h/010 scrapped 1974 1949 VX597 wa/h/013 1949 VX598 wa/h/018 w/o 1955 1950 VZ960 wa/h/021 1950 VZ962 wa/h/022 w/o 1955 1950 VZ963 wa/h/023 w/o 1951 1950 VZ964 wa/h/024 1950 VZ965