Built by Westland under license from the American Sikorsky S-61
helicopter, from which it differed, by fitting Rolls-Royce Gnome
turboshaft engines, and a fully computerised flight control.
Anti-submarine warfare (ASW) was its main purpose, in the Fleet Air Arm
and the HAS5 was an improved version, with MEL Super Searcher radar
in the dorsal radome. It entered service in 1969 and this variant in
June 1981. The painting shows one flying over MV Atlantic Conveyer,
on fire, after an Argentine air attack, during the Falkland’s War, it was
flown by HRH S/Lt Prince Andrew RN of 820 Naval Air Squadron,
from HMS Invincible.