Helicopter Westland Wessex HAS.1 Serial wa 77 Register XP144 used by Fleet Air Arm RN (Royal Navy). Built 1962. Aircraft history and location Aircraft History XP144 Fleet Air Arm Westland Wessex HAS.1, c/n WA077, f/f:? del Royal Navy as XP144, 03/07/1962 w/o 08/07/1965. Send Updates Use APP to upload photo @ (optional) When Now? / / Send