Just as background information the No.2 A.A.C.U. 540 records as follows:

29.11.39 Gosport – Squadron Leader C.C. Clark arrived from Pembrey to take command of the unit, Squadron Leader O.I. Gilson who is posted to Headquarters No.17 Group.

30.11.39 Gosport – Squadron Leader C.C. Clark on his first solo in a Skua crashed in Fareham Creek near Bedenham. Squadron Leader Clark was killed and salvage operations are still taking place.

Trust this might help.

Tim