This Wasp was delivered to the Royal Navy in July 1965 and during its service was used primarily in a training role. In October 1981, after the newer Lynx helicopters started to be delivered, XT431 was SOC and sold to the British Rotorcraft Museum at Weston-super-Mare. It later passed to Crawley Technical College in November 2003 as a training airframe and then moved to the Gatwick Aviation Museum in September 2008. The Museum sold a number of their aircraft in 2013 with XT431 arriving at the Bournemouth Aviation Museum in December 2013.

Carries the boom of XS463 and arrived on 21st December 2013.