Former East Midlands Railway 43066, now operated by DATS (Data Acquisition & Testing Services), visited the Chinnor & Princes Risborough Railway for their Diesel Gala on 1 April 2022. It is seen here passing Bledlow with the late running 1C04 11:35 Princes Risborough to Chinnor service, hauling Class 411/9 3-CEP EMU 1198. This was the first visit of a HST to the line.