Helicopter Westland Wessex HAS.3 Serial wa240 Register XT256 used by Fleet Air Arm RN (Royal Navy). Built 1965. Aircraft history and location By Steve Mills Aircraft History XT256 Fleet Air Arm Westland Wessex HAS.3 pre-production, WA240, f/f 1965 del Royal Navy as XT256, unk to A2615 sold to Sweden during 1988. 1971-03-19 A EGDMnoted at Boscombe Down open day, with A&AEE. 1978-03 B EGHF G I Airframe AES Lee (A2615) by Mar 1978, still Mar 1980. 1979-07-21RN noted 21jul79 at HMS Daedalus RNAS Lee-on-Solent with AES uncoded 1983-11-21 B EGHF RNAS Lee-on-Solent (EGUS) at RNAS lee-on-Solent whilst assigned as GI with the Air Engineering School (AES). Send Updates Use APP to upload photo @ (optional) When Now? / / Send