Several places were bombed this day by the Luftwaffe including North Weald (with many casualties) and also a part of the RAF Hospital at St.Athan was demolished.
Looking for places of death registration of following airmen:

AC1 Harry L. BURBRIDGE - 646963 - name not found in Flight archives, and

AC2 William FAIRFIELD - 1358170;
AC2 Alexander KIRK - 1103925;
LAC Henry A. SHACKELTON - 343404,
AC2 Frank WALKER - 1007477
all killed on active service.

Also same day killed on active service:
P/O (Pilot u/t) David A. SADLER - 90937

Proposed aircraft losses for this day:
Hart Trainer - K4888 - 9 FTS - crashed on landing Hullavington
Hurricane I - L1803 - 263 Sqn - abandoned near Bainsford, Stirlingshire
Hurricane I - L1933 - 85 Sqn - crashed on landing Hawkinge
Lysander II - R2030 - 26 Sqn - flew into ground near Stradishall

Regards and thanks for your help.