Flt/Lt. Webster was serving with 41 Sqdn. He was the pilot of Spitfire I R6635 which was in a mid-air collision with another Spitfire during combat near Basildon.
Royal Air Force Fighter Command Losses of the Second World War: Volume 1; Operational Losses: Aircraft and Crews 1939-1941; Norman L.R. Franks; 1997; Midland Publishing; ISBN 1 85780 055 9
He is remembered at Darlington on D40.64