Hi Peter T.,
309th FS 31th FG scrables 2 Spitfires to intercept enemy planes and make 1 claim.
Info from Tony Wood claim list:
RAF 11 Group: Interception-Patrol
US VIII FC 309th Sqn. 2 Spitfire Vb 17.15-18.35 Interception 0 - 0 - 1 Ju 88 No casualty S. Selsey Bill
Claim 22.09.42 Pilot 31st FG 309th Sqn. 0 - 0 - 1 Ju 88 18.00 ca: S. Selsey Bill
Check the Squadron Signal publication 6180 and page 12 - there is info about claim by Maj. Thyng with date 28.9.1942 - but I think, the date is wrong.
There are claims by this pilot:
https://en.wikipedia.org/wiki/Harrison_Thyng
http://www.wwiiaircraftperformance.org/31st/thyng.html
....but this claim (or with date 28.9.1942) is missing, but check this link:
http://www.starduststudios.com/harrison-thyng.html
...there is info about 2 claims, during operation from England before the 31th FG move to MTO:
Major Thyng claimed two enemy aircraft damaged and a probable while flying out of England.
Maybe somebody share with you more info.
Faenor