Hurricanes IIC PZ851 PZ765 PZ854 of 11 Pilots Advanced Flying Unit RAF Calveley crashed Tintwistle.

F/Sgt EML Marien in PZ851 & F/Sgt MAL Orban in PZ765 (both Belgians) & F/Sgt JV Robinson in PZ854 were killed on a flight from RAF Calveley on 22 February 1945 when their Hurricanes flew into a hillside above Tintwistle on a formation training flight.