Westland Wessex Mk31B

Westland Wessex Mk31B Statistics
Westland Wessex Mk31B
Type	Carrier-borne anti-submarine/search & rescue helicopter
Manufacturer	Westland Aircraft Ltd, Yeovil, Somerset, UK
Ordered	July 1961
Number purchased	27
First Delivered	1 Nov 1962
Last Delivered	4 Nov 1963
Weight	8,000 (empty) 13,500 (loaded)
Dimensions	Wing Span: 56 ft (rotors) Length 65 ft 10.5 in (38 ft 6 in with blades and tailcone folded) Height: 14 ft 10 in
Crew	4
Engine	One 1,575 shp Napier Gazelle 161 free turbine engine
Performance	Initial Rate of Climb: 1,540 ft/min Ceiling: 14,100 ft Speed: 108 knots Range: 262 nautical miles
Armament	Guns: Nil Bombs: 2 x torpedoes (external)
Ships Embarked In	HMAS Melbourne (II) HMAS Sydney (III) HMAS Stalwart (II) HMAS Tobruk (II) HMAS Success (II)

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