Helicopter Westland Wessex HAS.1 Serial wa110 Register XS151 used by Fleet Air Arm RN (Royal Navy). Built 1963. Aircraft history and location Aircraft History XS151 Fleet Air Arm Westland Wessex HAS.1, c/n WA110, f/f:? del Royal Navy as XS151, 24/10/1963 w/o 12/04/1965. 1965-04-12 A Nanga Gaat Accident 845Sq/R-B collided with XS154 and w/o 12 Apr 1965 at Nanga Gaat, Sarawak Konfrontasi Send Updates Use APP to upload photo @ (optional) When Now? / / Send