Helicopter Westland Wessex HAS.1 Serial wa 42 Register XM921 used by Fleet Air Arm RN (Royal Navy). Built 1961. Aircraft history and location Aircraft History XM921 Fleet Air Arm Westland Wessex HAS.1, c/n WA042, f/f:? del Royal Navy as XM921, 30/10/1961 w/o 17/06/1966. 814 Sq/343-H Nov 1961 819 Sq/324 by Jul 1963 706 Sq/509-CU by Apr 1964, 706 Sq/571-CU by Dec 1965 706 NAS 1966-06-17 A EGDO Accident w/o 17 Jun 1966 at Predannack in the hover with 706 Sq when hit by Whirlwind HAS.7 XM686. Send Updates Use APP to upload photo @ (optional) When Now? / / Send