The Polikarpov I-15 saw service in: Spain (RepAF, NatAF), USSR

Total production: 905

Technical details Polikarpov I-15
Type:____________Fighter
Span:____________9.15 m
Lenght:__________6.29 m
Engine:__________Shvetsov M-25 / 635 hsp.
Max speed:_______360 km/h
Service ceiling:_10,000 m
Range:___________725 km
Armament:________4x7.62 mm machine guns

Sources:
Combat Aircraft of World War Two - Elke C. Weale, 1985
Polikarpov Fighters in action Pt. 1 - Hans-Heiri Stapfer, 1995