[Radoye]

American:
Douglas B-18 Bolo
Curtis Hawk III (biplane - for China)
Northrop A-17 (for The Netherlands)

British:
Hawker Fury (biplane)
Hawker Hart
Hawker Osprey
Fairey Fox (for Belgium)
Vickers Wellesley

French:
Latecoere 298
Loire 130
Loire-Nieuport LN.401

Russian:
Polikarpov R-5
Polikarpov R-Z
Polikarpov I-15
Polikarpov I-152

Italian:
Caproni Ca.135 (for Hungary)
CANT Z.501 Gabbiano
IMAM Ro.57 / Ro.58

German:
Dornier Do-24
Heinkel He-70

Japanese:
Ki-10 'Perry'
Ki-15 'Babs'

Polish:
LWS-6 / PZL-30 Zubr
Lublin R-XIII

Romanian:
IAR-37 / 38 / 39

Czech:
Avia B.135 (for Bulgaria)