Helicopter Westland Whirlwind HAS.7 Serial wa227 Register XL877 used by Fleet Air Arm RN (Royal Navy). Built 1958. Aircraft history and location Aircraft History XL877 jul58 Fleet Air Arm 1958-07-14Westland Whirlwind HAS.7, c/n WA227, ff: 14Jul58 del Royal Navy Fleet Air Arm as XL877, 22Jul58 w/o 21Oct58. [Note: lifespan of only 97 days!] 1958-10-21 A Inishowen Accident Sep 1958 to 815 Sq / 300 21 Oct 1958 ditched off Inishowen Head 815 NAS Send Updates Use APP to upload photo @ (optional) When Now? / / Send