Westland Wessex
Medium Transport Helicopter
Photo ©: Karsten Palt
The Westland Wessex is a twin-engined medium transport-helicopter produced by the British manufacturer Westland Aircraft (later, Westland Helicopters). The Wessex was also used as anti-submarine and SAR-helicopter.
The Westland Wessex is a twin-turbshaft powered development of the Sikorsky S-58.
| Crew | 2 | |
| Propulsion | 2 Turboshaft Engines | |
| Engine Model | Bristol Siddeley Gnome Mk110/111 | |
| Engine Power (each) | 1007 kW | 1350 shp |
| Speed | 211 km/h | 114 kts 131 mph |
| Service Ceiling | 3.048 m | 10.000 ft |
| Range | 778 km | 420 NM 483 mi. |
| Empty Weight | 3.767 kg | 8.305 lbs |
| max. Takeoff Weight | 6.123 kg | 13.499 lbs |
| Rotor Blades (main/tail) | 4/4 | |
| Main Rotor Diameter | 17,07 m | 56 ft 0 in |
| Tail Rotor Diameter | 2,90 m | 9 ft 6 in |
| Rotor Disc Area | 228,9 m² | 2464 ft² |
| Length (Fuselage) | 14,75 m | 48 ft 5 in |
| Length | 20,04 m | 65 ft 9 in |
| Height | 4,93 m | 16 ft 2 in |
| First Flight | 20.06.1958 | |
| Production Status | out of production | |
| Total Production | 376 | |
| Developed from | Sikorsky S-58 | |
| ICAO Code | WESX | |
| Data for (Version) | Westland Wessex HC.Mk 2 | |
| [Photo-ID: 1095] © Karsten Palt 2008-07-11 | |
 | Westland Wessex HAS Mk.1 Royal Aircraft Establishment Reg.: XM330 c/n: WA11 |
| The Helicopter Museum [Weston-super-Mare] | |
| [Photo-ID: 1301] © Karsten Palt 2008-07-16 | |
 | Westland Wessex HAS.1 Royal Navy Reg.: XS863 c/n: WA243 |
| Imperial War Museum [Duxford Aerodrome (EGSU / QFO)] | |
| [Photo-ID: 13138] © Karsten Palt 2016-07-10 | |
 | Westland Wessex HAS.1 Royal Navy Reg.: XS863 c/n: WA243 |
| Imperial War Museum [Duxford Aerodrome (EGSU / QFO)] | |
| [Photo-ID: 7010] © Karsten Palt 2013-05-18 | |
 | Westland Wessex HAS.1 Royal Navy Reg.: XS887 c/n: WA267 |
| South Yorkshire Aircraft Museum [Doncaster] | |
| [Photo-ID: 11999] © Karsten Palt 2001-07-27 | |
 | Westland Wessex HC 2 Royal Air Force Reg.: XV726 c/n: WA621 |
| Royal International Air Tattoo 2001 [Royal Air Force Station Cottesmore (EGXJ)] | |
| [Photo-ID: 6758] © Karsten Palt 2013-05-17 | |
 | Westland Wessex HC Mk.2 Royal Air Force Reg.: XR525 c/n: WA147 |
| Royal Air Force Museum Cosford [Shifnal, Shropshire] | |
| [Photo-ID: 1510] © Karsten Palt 2008-09-27 | |
 | Westland Wessex HC Mk.2 Royal Air Force Reg.: XR527 c/n: WA149 |
| Flugausstellung L.+P. Junior [Hermeskeil] | |
| [Photo-ID: 1511] © Karsten Palt 2008-09-27 | |
 | Westland Wessex HC Mk.2 Royal Air Force Reg.: XR527 c/n: WA149 |
| Flugausstellung L.+P. Junior [Hermeskeil] | |
| [Photo-ID: 7675] © Karsten Palt 2013-09-19 | |
 | Westland Wessex HC Mk.2 Royal Air Force Reg.: XT604 c/n: WA531 |
| East Midlands Airport Aeropark [Castle Donington] | |
| [Photo-ID: 1305] © Karsten Palt 2008-07-16 | |
 | Westland Wessex HCC Mk.4 Royal Air Force Reg.: XV732 c/n: WA627 RAF Queens Flight |
| Royal Air Force Museum [London-Hendon] | |
| [Photo-ID: 1101] © Karsten Palt 2008-07-11 | |
 | Westland Wessex HCC Mk.4 Royal Air Force Reg.: XV733 c/n: WA628 RAF Queens Flight |
| The Helicopter Museum [Weston-super-Mare] | |
| [Photo-ID: 7011] © Karsten Palt 2013-05-18 | |
 | Westland Wessex HU5 Royal Navy Reg.: XS481 c/n: WA155 |
| South Yorkshire Aircraft Museum [Doncaster] | |
| [Photo-ID: 1054] © Karsten Palt 2008-07-10 | |
 | Westland Wessex HU5 Royal Navy Reg.: XS511 c/n: WA180 |
| Tangmere Military Aviation Museum [Tangmere] | |
| [Photo-ID: 3047] © Hartmut Ehlers 2009-12-16 | |
 | Westland Wessex Mk.31B / HAS.31A Royal Australian Navy Reg.: N7-221 c/n: WA.221 |
| RAN Fleet Air Arm Museum, Nowra NSW [NAS Nowra - HMAS Albatross (YSNW / NOA)] | |