Disposition of RAF FC squadrons on Aug 13 1940. One thing to keep in mind is the nearness of 10 and 12 Group Spitfire bases to 11 Group.
10 Group
No. 87 Squadron (Hurricane
No. 213 Squadron (Hurricane)
No. 238 Squadron (Hurricane)
No. 92 Squadron (Spitfire)
No. 234 Squadron (Spitfire)
No. 609 Squadron (Spitfire)
No. 247 Squadron (Gladiator)
No. 604 Squadron (Blenheim)
11 Group
No. 17 Squadron (Hurricane)
No. 32 Squadron (Hurricane)
No. 85 Squadron (Hurricane)
No. 56 Squadron (Hurricane)
No. 151 Squadron (Hurricane)
No. 501 Squadron (Hurricane)
No. 615 Squadron (Hurricane)
No. 111 Squadron (Hurricane)
No. 1 (RCAF) Squadron (Hurricane)
No. 1 (RAF) Squadron (Hurricane)
No. 257 Squadron (Hurricane)
No. 43 Squadron (Hurricane)
No. 145 Squadron (Hurricane)
No. 601 Squadron (Hurricane)
No. 54 Squadron (Spitfire)
No. 65 Squadron (Spitfire)
No. 74 Squadron (Spitfire)
No. 266 Squadron (Spitfire)
No. 610 Squadron (Spitfire)
No. 64 Squadron (Spitfire)
No. 600 Squadron (Blenheim)
12 group
No. 73 Squadron (Hurricane)
No. 249 Squadron (Hurricane)
No. 46 Squadron (Hurricane)
No. 242 Squadron (Hurricane)
No. 229 Squadron (Hurricane)
No. 616 Squadron (Spitfire)
No. 222 Squadron (Spitfire)
No. 611 Squadron (Spitfire)
No. 66 Squadron (Spitfire)
No. 19 Squadron (Spitfire)
No. 264 Squadron (Defiant)
No. 29 Squadron (Blenheim)
13 Group
No. 607 Squadron (Hurricane)
No. 3 Squadron (Hurricane)
No. 504 Squadron (Hurricane)
No. 232 Squadron (Hurricane)
No. 605 Squadron (Hurricane)
No. 253 Squadron (Hurricane)
No. 245 Squadron (Hurricane)
No. 41 Squadron (Spitfire)
No. 72 Squadron (Spitfire)
No. 79 Squadron (Spitfire)
No. 603 Squadron (Spitfire)
No. 602 Squadron (Spitfire)
No. 219 Squadron (Blenheim)
No. 141 Squadron (Defiant)
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