Helicopter Westland Whirlwind HAR.4 Serial wa107 Register XJ761 used by Royal Air Force RAF. Built 1956. Aircraft history and location Aircraft History XJ761 Royal Air Force 1956-01-28Westland Whirlwind HAR.2, c/n WA107, ff: 28Jan56 del Royal Air Force as XJ761, 08Mar56 w/o 27Jul60. 1960-07-27 A off Great Yarmouth Accident w/o 27 Jul 1960, engine lost power, ditched and sank off Great Yarmouth, while with 228 Sq. 228 Squadron Send Updates Use APP to upload photo @ (optional) When Now? / / Send