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

WS-58 Wessex HAS MK 3
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.