What caused the death of and/or what were the places of death registration for:

LAC Percy CHAPMAN - 902898 - killed on active service.
AC2 George S. EVERETT - 1260103 - died of wounds or injuries received on active service.
Sgt (Pilot) Edgar A.J. KEIGHLEY - 745306 - same as AC2 Everett.
AC2 Robert T.McW. STREIGHT - 976216 - not listed Flight archives.

Proposed aircraft losses for this day:

Oxford I - L9693 - RAFC - crashed on take-off at night near Barkston Heath.
Tiger Moth II - N6455 - 1 EFTS - location not known - damaged 21.9.40 and SOC 23.10.40
DC-3 - G-AGBC - BOAC - crashed at Heston.

Regards and thanks for your help.
Henk.