Simon Glancey has submitted the following:
F/Sgt. Croucher was one of the seven crewmen killed when Lancaster I PB851 PH-S of 12 Squadron was lost without trace on a mission to Munich.
Also killed on board was Sgt. Rickeard
Henry Croucher is remembered in Heaton on H91.20
More information, including photographs of the crew
The CWGC entry for Flight Sergeant Croucher