Simon Glancey has submitted the following:
Sgt. Stones was killed when Handley Page Halifax V LK958 MP-Q of 76 Squadron was lost on a mission to Berlin. The Halifax was shot down and crashed near Luckstedt, 19 miles north-west of Stendal, Germany. Of the seven crew members, only two survived to become P.o.W.s.
Royal Air Force Bomber Command Losses of the Second World War: 1944; W.R. Chorley; 1997; Midland Counties Publications; ISBN 0 904597 91 1, page 37