Helicopter Westland Wessex HAS.1 Serial wa 6 Register XM301 used by Fleet Air Arm RN (Royal Navy). Built 1959. Aircraft history and location Aircraft History XM301 Fleet Air Arm Westland Wessex HAS.1, c/n WA006, f/f: 27/07/1959 del Royal Navy as XM301, 04/1959 to PEE Foulness Island 12/06/1968 since scrapped. Send Updates Use APP to upload photo @ (optional) When Now? / / Send