Helicopter Westland Whirlwind HAS.7 Serial wa196 Register XL834 used by Fleet Air Arm RN (Royal Navy). Built 1957. Aircraft history and location Aircraft History XL834 Fleet Air Arm 1957-10-21Westland Whirlwind HAS.7, c/n WA196, ff: 21Oct57 del Royal Navy Fleet Air Arm as XL834, 09Dec57 w/o 15Aug58. Send Updates Use APP to upload photo @ (optional) When Now? / / Send