Westland WS-55 Whirlwind HAR Mk.10, XD163, C/n. WA20. At the Helicopter Museum, Weston-Super-Mare. Pics mine. Originally built in 1954 at Yeovil, Somerset as a 12-seat transport helicopter. XD163 is of particular significance as it was not only converted from an earlier mark of Whirlwind, but was in fact in its earlier life the first Whirlwind delivered to the Royal Air Force, and was the first Whirlwind Mk.4. It first flew in April 1954 and operated with the Far East air force. In 1962 it was d