He was a crew member of Lancaster III ED542 which took off from Syerston on a bombing mission to Essen. The aircraft is thought to have crashed killing all the crew. He was killed in the same incident as F/Off. J.W. Simpson
Royal Air Force Bomber Command Losses of the Second World War 1943; W.R. Chorley; 1996; Midland Counties Publications; ISBN 0 904597 90 3.
Acknowledgments: Simon Glancey
Alan Cairns Palmer is remembered in South Shields on S86.027 and S86.091