Simon Glancey has submitted the following:
Sgt. Heron was killed when Avro Lancaster I PD421 IQ-F of 150 Squadron, which was lost on a mission to Dortmund. The Lancaster crashed at Hagen, Westfalen, with the loss of four of the seven crew; the three survivors became P.o.W.s.
Royal Air Force Bomber Command Losses of the Second World War: 1945; W.R. Chorley; 1998; Midland Counties Publications; ISBN 0 904597 92 X, page 82
Tony Hibberd has added the following:
Lancaster PD421 IQ-F had departed Hemswell for Ops Dortmund
Thomas William Heron is remembered in Cambois on C6.03
