[B.F.M. Droog]

That's strange,

Kendall is listed as missing per 25/06/1940, I've this on him:

Type: Bristol Blenheim Mk IV
Serial number: R3622, QY-K
Operation: Stab (Stavanger to Bergen (patrol))
Lost: 25/06/1940
P/O A.J. Hill, 42004, POW
Sergeant George W.H. Kendall, RAF 563559, 254 Sqdn., age 27, 25/06/1940, missing
Sergeant Richard C. Trowbridge, RAF 550858, 254 Sqdn., age 20, 25/06/1940, missing
Took off 12.48 hrs from Sumburgh. Shot down by Ofw Arnoldy of 4./JG77 at approximately 14.25 hrs, on a sweep to Stavanger/Bergen.

Sources: CWGC and Ross McNeill, Coastal Command Losses of the Second World War, Volume 1 (1939-1941), Midland publishing, 2003