On loan from RAF Museum Reserve Collection.

No registration or serial worn. Was allocated military serial XF785 and maintenance serial 7648M.

Development airframe for the proposed 12-seat civil passenger twin rotor helicopter. Allocated G-AMJI for earlier demonstration flights. Displaying at the 1954 Farnborough air show. Crashed at Filton 16.09.56.

The prototype Bristol 173 twin rotor helicopetr making its maiden flight form Bristols factory at Filton. Now preserved at Kemble by the Bristol Aero Collection.

The second example built of the 13-passenger 2-crew transport helicopter powered by two Leonides Major piston engines. Painted in British European Airways markings for display at the 1953 Farnborough Air Show. Sometimes referred to as the "Rotocoach", the type did not enter commercial production.

The prototype Bristol 173 powered by two Leonidas Major piston engines, before application of registration and first flight on 24 August 1952. From Bristol in the 1950s.