 The original Royal Air Force order for 22 was increased to 26, and the first Type 192 (later named the Belvedere) flew on 5 July 1958.The prototype Type 173 "XF785" was stored at the RAF Museum Cosford until 2002, when it was moved to Kemble for display at the Bristol Aero Collection, until that site closed in May 2012.It was subsequently moved to Aerospace Bristol, opening in 2017.