Helicopter Westland Whirlwind HAS.7 Serial wa229 Register XL879 used by Fleet Air Arm RN (Royal Navy). Built 1958. Aircraft history and location Aircraft History XL879 Fleet Air Arm 1861-03-10HAS.7 824Sqn/335 Jul 1960, replacing XK938 on unit strength, until crashed near Predannack on 10 Mar 1961. 1958-07-20Westland Whirlwind HAS.7, c/n WA229, ff: 20Jul58 del Royal Navy Fleet Air Arm as XL879, 01Aug58 w/o 10Mar61. 1990 A HMS Thunderer Cockpit burnt wreckage to RNEC Manadon. Burnt during at an Open Day. Send Updates Use APP to upload photo @ (optional) When Now? / / Send