Editing Polikarpov I-15 (section)

==Variants==
{{Unreferenced section|date=January 2021}}
[[File:I-15bis.ogg|thumb|Polikarpov I-15bis in flight]]

;TsKB-3bis
:Prototype.
;TsKB-3ter
:Prototype fitted with the more powerful M-25V radial piston engine.
;I-15
:First production series.
;I-15bis
:Single-seat fighter biplane, armed with four {{cvt|7.62|mm|2}} PV-1 or ShKAS machine guns, plus up to {{cvt|150|kg}} of bombs. The I-15bis was powered by the more powerful {{cvt|570|kW|hp PS}} [[Shvetsov M-25]]V radial piston engine. It had a straight upper wing. A total of 2,408 machines were built.
;I-152
:Modernised version of I-15bis. One built in 1938. Series production was not undertaken, since it was decided to build I-153 instead.
;I-152GK
:(''Germetichyeskoi Kabine'' – hermetic (pressure) cabin) – One aircraft fitted with a pressure cabin.
;I-152TK
:(Turbo Kompressor – turbo-charged) – One aircraft fitted with two turbochargers.
;[[Polikarpov I-153|I-15ter (I-153)]]
:Development of the I-15 with retractable landing gear, see [[Polikarpov I-153]].
;UTI-1
:(''Oochebno Trenirovochnyy Istrebitel' '' – fighter trainer) – Factory-built two-seat trainer version, front cockpit moved forwards, dual controls fitted, 20 built in 1934 but not used by VVS<ref name="Smith" />
;Chung 28B
:China product version. base on I-152,equip with 712hp Wright R-1820-F3 engine,armed with four .30 [[Browning machine gun]],total 30 built.
;A.4
:[[Spanish Air Force]] designation for the I-15.<ref>{{Cite web |title=Spanish Military Aircraft Designations |url=https://www.designation-systems.net/non-us/spain.html |access-date=2025-03-21 |website=www.designation-systems.net}}</ref>