Aircraft codes:

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