Simon Glancey has submitted the following:
Sgt. Maben was killed when Avro Lancaster III ED708 ZN-O of 106 Squadron was lost on a mission to Hamburg. The Lancaster was lost without trace, along with the eight crew members.
Royal Air Force Bomber Command Losses of the Second World War: 1943;W.R. Chorley; 1996; Midland Counties Publications; ISBN 0 904597 90 3, page 246.
Tony Hibberd had submitted the following:
Lancaster ED708 ZN-? had departed Syerston at 2300 for Ops Hamburg
It was possibly intercepted at 4000M over the North Sea nr Terschelling by a Night-Fighter captained by Ofw Walter Kubisch (Stab IV/NJG1) and shot down at 0237 for his 1st Abschuss
Nachtjagd Combat Archive 1943 Part 2 Dr Theo Boiten
William Snowball Maben is remembered in Bishop Auckland on B140.12