Aircraft codes:

Au=Auster
An=Anson
Be=Beaufighter
Bl=Blenheim
D=Defiant
F=Fairchild
Fu=Fulmar
G=Gladiator
H=Hurricane
L=Lysander
M=Tiger Moth
N=Harvard
O=Sea Otter
Ox=Oxford
Pr=Proctor
Sp=Spitfire
Sw=Swordfish
T=Tempest
Tom=Tomahawk
W=Walrus

X=Total aircraft qty
  types not specified.

figure in brackets
is no. of serials
identified