Model Variants (Including Prototypes)
TsKB-12 - Prototype Model Designation fitted with M-22 radial piston engine generating 480hp.
TsKB-12bis - Second Prototype Model Designation with improved performance and uprated Wright SR-1820-F3 Cyclone powerplant.
I-16 Type 1 - Base Pre-Production Model Designation fitted with M-22; 10 produced.
I-16 Type 4 - Fitted with imported-Cyclone powerplant.
I-16 Type 5 - M-25 700hp license-built Cyclone powerplant; improved armor.
I-16 Type 6 - Initial Major Production Variant fitted with M-25A 730hp powerplant.
I-16 Type 10 - Fitted with M-25V 750hp powerplant; 4 x 7.62mm machine guns.
I-16 Type 17 - Provision for six 82mm rockets; 2 x 20mm cannons in place of standard machine guns; reinforced structure throughout.
I-16 Type 18 - M-62 radial piston engine generating 920hp; 4 x 7.62mm machine guns.
I-16 Type 24 - M-62 OR M-63 radial piston engines delivering 1,000hp and 1,,100hp respectively; reinforced wing elements; 4 x 7.62mm machine guns.
I-16 Type 28 - Fitted with M-63 radial piston engine.
I-16 Type 30 - Fitted with M-63 radial piston engine.
I-16 SPB - Dive Bomber Variant
I-16UTI - Dual-Control Trainer Model