Helicopter Westland Wessex HU.5 Serial wa189 Register XS520 used by Fleet Air Arm RN (Royal Navy). Built 1964. Aircraft history and location Aircraft History XS520 Fleet Air Arm Royal Navy 1974-05-15VL-XB A EHVBat Valkenburg 846 NAS 1979-01jan79 coded B/V-O 846Sqn 846 NAS RN 1985 846Sqn./F 846 NAS at RN Fire & Rescue School Predannack since at least Aug 2009, still present Apr 2013. Send Updates Use APP to upload photo @ (optional) When Now? / / Send