found a link that quotes these:
Royal Air Force:
Tiger Moth
Spitfire Mk.I
Spitfire Mk.Ia
Spitfire Mk.IIa
Hurricane Mk.I
Blenheim Mk.IV
Luftwaffe:
Bf-109E-3
Bf-109E-3B
Bf-110C-4
Bf-110C-7
Ju-88A-1,
He-111H-2
he-111P-2
Ju-87B-2
Italy Air Force:
Fiat G.50
Fiat BR.20M
Bonus - for aerobatics and FM benchmark:
Su-26
http://forums.eagle.ru/showthread.php?t=31833&page=46