Helicopter Westland Wessex HU.5 Serial wa163 Register XS489 used by Fleet Air Arm RN (Royal Navy). Built 1964. Aircraft history and location Aircraft History XS489 Fleet Air Arm Westland Wessex HU.5, c/n WA163, f/f:? del Royal Navy as XS489, 03/04/1964 stored Redhill, unk. 1974-03-07 A EHVB as 848NAS /VK-B 848 NAS 1979-01jan79 as 707NAS VL/WY 707 NAS 1982 as 848Sqd /B asg flt RFA Olna Send Updates Use APP to upload photo @ (optional) When Now? / / Send