Aircraft Data Sheet: WS-58 Wessex HAS MK 3 (1965)

First flight:	August 1965
Rotor diameter:	17.07m/56ft 0ins
Length:	20.04m/65ft 9ins
Max weight:	6,181kg/13,600lb
Max speed:	222kph/120knots
Power:	One 1,600shp/1,193kW Napier Gazelle 165
Accommodation:	Pilot plus three
No Built:	3 plus 43 conversions

The Wessex Mk 3 represented a substantial rework of the basic aircraft. Although it utilised the basic airframe, the aircraft incorporated a sophisticated avionics system and Automatic Flight Control System for anti-submarine duties. Most aircraft were conversions from Mk1 standard.