G-AOYB Westland WS-55 Srs.1 Fison-Airwork Ltd Biggin Hill (BQH / EGKB), UK - England Dave Welch - 1962
G-AOYB Westland WS-55 Srs.1 Bristow Helicopters (UH / BHL) Redhill (EGKR), UK - England Dave Welch - 1963
G-AOYB Westland WS-55 Srs.1 Bristow Helicopters (UH / BHL) RAF Wyton (QUY / EGUY), UK - England Ken Elliott - 14/09/1963
G-AOYB Westland WS-55 Srs.1 Bristow Helicopters (UH / BHL) Redhill (EGKR), UK - England John Hamlin - 09/03/1964
