Simon Glancey has submitted the following:
Sgt. Aiston was killed when Avro Lancaster III ED606 JO-E of 463 (R.A.A.F.) Squadron collided with another Lancaster, ND637 CF-L of 625 Squadron while preparing to land at R.A.F. Waddington after a mission to Stuttgart. The Lancasters collided near Branston, 4 miles south east of Lincoln, and crashed with the loss of all fourteen crew members from both aircraft.
Royal Air Force Bomber Command Losses of the Second World War: 1944; W.R. Chorley; 1997; Midland Counties Publications; ISBN 0 904597 91 1, pages 115 and 116
He is remembered in Whitburn on W100.01