Westland’s ‘old faithful’
The Wessex was based upon the Sikorsky Н-3»
It was inlenticd to have a traditional piston engine, but Westland introduced the gas turbine Gazelle engine which enhanced both |x*rformance and economy
Tlte I if sj Wessex was the anti-subinarine IIAS. Mk 1, which was fitted with advanced equipment, including dipping sonar and radar The Royal Navy’s Wessex Hl’.Mk Ss, flying in the tactical airlift role for the support of the Royal Marines.