Complex sentence: The Vulcan Restoration Trust (Registered Charity: 1058111) is responsible for XL426, one of three surviving live Avro Vulcans, based at Southend Airport, which performed taxi displays until 2006 when the aircraft was withdrawn for engineering works.
Split into simpler sentences: The Vulcan Restoration Trust (Registered Charity: 1058111) is responsible for the XL426, one of three surviving live Avro Vulcans. Based at Southend Airport, it performed taxi displays until 2006 when the aircraft was withdrawn for engineering works.