Specifications
| Engine | 1 x Pratt & Whitney R-985 Wasp Junior 300 shp |
|---|---|
| Length (m) | 12.45 |
| Height (m) | 3.95 |
| Blades | 3 |
| Rotor diam. (m) | 14.94 |
| Disc area (m2) | 175.3 |
| Weight (kgs) | Empty: 1720 Max: 2263 |
| Range (km) | 480 |
| Ceiling (m) | 4115 |
Derivatives & Versions
| → dragonfly | 1948 | In December 1946, Westland Aircraft signed an agreement to build under licence the world's first successful operational helicopter, the US Sikorsky S-51 general utility model. |
Airframes (41)
| C/N | Model | Built | Reg | |
|---|---|---|---|---|
| 51-02 | s-51 | 1946 |  5102 | |
| 51-06 | s-51 | 1946 | 5106 | |
| 51-102 | s-51 |  ZS-HBT A1 | ||
| 51-109 | s-51 |  9604 | OU-604 | |
| 51-113 | s-51 |  LQ-YXP | ||
| 51-117 | s-51 | 9605 | ||
| 51-127 | s-51 |  48-0548 N9845Z 48-0548 | ||
| 51-13 | s-51 | 57997 | ||
| 51-161 | s-51 | 9606 | OT-606 | |
| 51-164 | s-51 | |||
| 51-166 | s-51 | 9607 | ||
| 51-17 | s-51 | 1947 |  G-AJHW WB220  A80-374 | |
| 51-171 | s-51 |  YV-O-MAC-2 | ||
| 51-18 | s-51 | 9601 | CC-X | |
| 51-183 | s-51 | 49-1999 | ||
| 51-184 | s-51 | 49-2000 | ||
| 51-19 | s-51 | 1947 | 9602 N5219 | |
| 51-21 | s-51 | 1947 | G-AJOO G-AJOO | |
| 51-211 | s-51 | 1946 | 232 N4925E 232 | |
| 51-26 | s-51 | 1947 | G-AJOP VW209 | |
| 51-30 | s-51 | 1947 | 9603 | VC-BVU |
| 51-32 | s-51 | 1947 | G-AJOR G-AJOR CF-JTP | |
| 51-33 | s-51 |  8-1 | ||
| 51-34 | s-51 | G-AJOV G-AJOV CF-JTQ N4917E | ||
| 51-35 | s-51 | 1947 | G-AJOV G-AJOV CF-JTQ N4917E | |
| 51-36 | s-51 | 47-484 N92868 | ||
| 51-38 | s-51 | LV-XXQ | ||
| 51-55 | s-51 | LV-QQU | ||
| 51-56 | s-51 | LV-XXS | ||
| 51-60 | s-51 | LV-XXT |
Operators
| 1945-1953 | US Air Force |
| 1946-1957 | US Coast Guard |
| 1946-?? | US Navy |
| 1946-?? | US Marine Corps |
| 1947-1964 | Royal Australian Air Force |
| 1947-1964 | Royal Canadian Air Force (1945-1968) |
| 1947-1958 | Ministry of Defence |
| 1947-1959 | Fuerza Aerea de Venezuela |
| 1948-1968 | Suid-Afrikaanse Lugmag |
| 1949-1967 | Fuerza Aerea Argentina |
| 1949 | Fleet Air Arm |
| 1951-1955 | Aéronautique Navale |
| 1951-1954 | Marine Luchtvaartdienst |
| 1961-1965 | Prefectura Naval Argentina |