Bomber aircraft Number Class Origin Dornier Do 17K 11 Bomber Yugoslavia Dornier Do 17E 30 Bomber Germany Dornier Do 17Z 21 Bomber Germany Bristol Blenheim Mk.I 8 Bomber United Kingdom Savoia-Marchetti SM.79 2 Bomber Italy CANT Z.1007 10 Bomber Italy Fiat BR.20 6 Bomber Italy Avia Fokker F.39 1 Bomber Czechoslovakia Caproni Ca.310 7 Bomber/Utility Italy Caproni Ca.311/313/314 16 Bomber/Utility Italy Junkers Ju 87 15 Dive bomber Germany