Helicopter Westland Whirlwind HAS.7 Serial wa223 Register XL873 used by Fleet Air Arm RN (Royal Navy). Built 1958. Aircraft history and location Aircraft History XL873 Fleet Air Arm 1958-05-23Westland Whirlwind HAS.7, c/n WA223, ff: 23May58 del Royal Navy Fleet Air Arm as XL873, 03Jun58 w/o 31Jul61. Send Updates Use APP to upload photo @ (optional) When Now? / / Send