Simon Glancey has submitted the following:
Sgt. Gregory was the pilot of Handley Page Halifax II W1036 EY-K of 78 Squadron, which was lost on a mission to Flensburg. The Halifax crashed near Schleswig, with the loss of four of the seven crew members.Royal Air Force Bomber Command Losses of the Second World War: 1942; W.R. Chorley; 1994; Midland Counties Publications; ISBN 0 904597 89 X, page 230
Tony Hibberd has offered the following:
Halifax W1036 EY-K had departed Linton on Ouse at 1758 for Ops Flensburg
It was initially coned by 6 Scheinwerfer Batterie of Marine Flak Abt 211 & 1 Scheinwerfer Batterie of Marine Flak Abt 221
It was then engaged by Marine Flak Abt 211 and 221 and also Marine Flak Abt 251, hit and shot down.The aircraft crashed at Sehestedt, SE of Wittensee at 2214
Nachtjagd Combat Archive The Early Years Part 3 Dr Theo Boiten
John Kenneth Gregory is remembered in Bishop Auckland on B140.01 and B140.12