Accident Avro Lancaster Mk II DS827, 05 Feb 1944 DS827 (A4-D), Avro Lancaster Mk2, (4x Bristol Hercules radial engines-NOT Merlins), Delivered to 115sqn Oct 1943 Crashed at Great Dunmow, Essex whilst on a 'Bullseye' training exercise. Cause unknown. Cause of accident not given. Pilot; F/Sgt W J B BISHOP, 1337955, RAFVR. Nav; Sgt C G MAGNESS, 1579523, RAFVR. A/B; Sgt J C SPEECHLY, 1324131, RAFVR. F/E; Sgt R E GREEN, 1581870, RAFVR. WOp; Sgt J CARLESS, 1501828, RAFVR. MU/G; Sgt P F PALMER, 543152, RAF. R/G; Sgt H D CLOUGH, 1671810, RAFVR. Passenger; 1st Lt C A WEBER, 0-672518, USAAF. Whilst checking Speechley I noticed US airman on board as a passenger. Any further info would be greatly appreciated. thank you