1959 · Single-engine intermediate turbine helicopter
Factory at 
Yeovil
Specifications
| Engine | 1 x Rolls-Royce Gnome H1000 1050 shp |
|---|---|
| Capacity | 2 |
| Length (m) | 12.7 |
| Height (m) | 4.75 |
| Blades | 3 |
| Rotor diam. (m) | 16.15 |
| Disc area (m2) | 204.96 |
| Weight (kgs) | Empty: 2676 Max: 3538 |
| Speed (km/h) | Cruise: 151 Max: 175 |
| Range (km) | 530 |
| Ceiling (m) | 3960 |
| Rate/Climb (m/min) | 371 |
Airframes (102)
| C/N | Model | Built | Reg | |
|---|---|---|---|---|
| wa 20 | har.4 | 1954 | XD163 | A |
| wa 27 | har.4 | 1954 | XD184 | E |
| wa 29 | har.4 | 1954 | XD186 | G |
| wa 33 | har.4 | 1954 | XJ407 | K |
| wa 35 | har.4 | 1954 | XJ409 | M |
| wa 36 | har.4 | 1954 | XJ410 | |
| wa 37 | har.4 | 1954 | XJ411 | F |
| wa 38 | har.4 | 1954 | XJ412 | |
| wa 41 | har.4 | 1954 | XJ414 | |
| wa 42 | har.4 | 1954 | XJ426 | |
| wa 44 | har.4 | 1954 | XJ428 | |
| wa 45 | har.4 | 1955 | XJ429 | |
| wa 46 | har.4 | 1955 | XJ430 | |
| wa 48 | har.4 | 1955 | XJ432 | |
| wa 49 | har.4 | 1955 | XJ433 | |
| wa 51 | har.4 | 1955 | XJ435 | 8671M |
| wa 53 | har.4 | 1955 | XJ437 | |
| wa 94 | har.4 | 1955 | XJ723 | |
| wa 95 | har.4 | 1955 | XJ724 | |
| wa 97 | har.2 | 1955 | XJ726 | |
| wa 98 | har.4 | 1955 | XJ727 | 8661M |
| wa100 | har.2 | 1956 | XJ729 | |
| wa103 | har.2 | 1956 | XJ757 | W-F |
| wa104 | har.2 | 1956 | XJ758 | |
| wa106 | har.2 | 1956 | XJ760 | |
| wa109 | har.2 | 1956 | G-BKHA | |
| wa110 | har.2 | 1956 | XJ764 | |
| wa139 | har.2 | 1956 | XK968 | |
| wa141 | har.2 | 1956 | XK970 | |
| wa142 | har.2 | 1956 | XK986 |
Operators
| 1952-?? | Westland Whirlwind |
| 1955-1981 | Royal Air Force Whirlwind |
| 1979-1989 | Offshore Petroleum Industry Training Board |