Helicopter Westland Whirlwind HAS.7 Serial wa262 Register XM684 used by Fleet Air Arm RN (Royal Navy). Built 1959. Aircraft history and location Aircraft History XM684 Fleet Air Arm 1959-02-21Westland Whirlwind HAS.7, c/n WA262, ff: 21Feb59 del Royal Navy Fleet Air Arm as XM684, 10Apr59 soc & b/u Fleetlands, 13Feb71. Send Updates Use APP to upload photo @ (optional) When Now? / / Send