Polikarpov I-16 - Variants

Variants

TsKB-12

First prototype, M-22 engine, 336 kW (450 hp), two unsynchronized ShKAS machine guns in the wings with 900 rpg.

TsKB-12bis

Second prototype, Wright SGR-1820-F-3 Cyclone engine, 533 kW (715 hp)

TsKB-12P (I-16P)

Prototype armed with two ShVAK cannon in the wings, 150 rpg.

TsKB-18

Ground attack prototype with M-22 engine and armored cockpit. Armed with four ShKAS or PV-1 machine guns and 100 kg (220 lb) of bombs. Two additional Type 5s were fitted with six ShKAS machine guns of which four could decline to 20° for ground strafing.

TsKB-29 (SPB)

Pneumatically-operated landing gear and flaps, Wright Cyclone engine, armament of two ShKAS machine guns, used as a high-speed dive bomber in the Zveno project

I-16 Type 1

Pre-production series, M-22 engine with 358 kW (480 hp).

I-16 Type 4

First production version, M-22 engine.

I-16 Type 5

Type 4 with a streamlined and tapered engine cowling, Shvetsov M-25 engine with 522 kW (700 hp).

I-16 Type 6

M-25A engine, 545 kW (730 hp).

I-16 Type 10

Four ShKAS machine guns (two synchronized in the fuselage and two in the wings), windscreen replaced the sliding canopy, could be fitted with retractable skis for winter operations, M-25B engine with 560 kW (750 hp). Hispano-Suiza-built aircraft were powered by the Wright Cyclone R-1820-F-54 engine.

I-16 Type 17

Type 10 with two ShKAS machine guns and two ShVAK cannon, rubber tail wheel, M-25V engine with 560 kW (750 hp). Some aircraft were fitted with an additional 12.7 mm (0.5 in) Berezin UB machine gun for strafing.

I-16 Type 18

Type 10 with Shvetsov M-62 engine producing 620 kW (830 hp), with a two-speed supercharger and a variable-pitch propeller. Capable of carrying two 100 l (26 US gal) underwing fuel tanks.

I-16 Type 20

Four ShKAS, first version capable of carrying underwing fuel tanks with 93 l (25 US gal) capacity based on tanks used on the Japanese Nakajima Ki-27, 80 built.

I-16 Type 24

Four ShKAS, landing flaps replaced drooping ailerons, tailwheel added, second cockpit door added on the starboard side, Shvetsov M-63 engine with 670 kW (900 hp).

I-16 Type 27

Type 17 with an M-62 engine.

I-16 Type 28

Type 24 with two ShKAS and two ShVAK.

I-16 Type 29

Two synchronized ShKAS in the nose and a single 12.7 mm (0.50 in) UBS in the bottom of the fuselage, no wing guns. Could carry 4-6 RS-82 rockets.

I-16 Type 30

Re-entered production in 1941-42, M-63 engine.

I-16TK

Type 10 with a turbocharger for improved high-altitude performance, reached 494 km/h (307 mph) at 8,600 m ( 28,200 ft), did not enter production.

UTI-1

Two-seat trainer version of Type 1.

UTI-2

Improved UTI-1 with fixed landing gear.

UTI-4 (I-16UTI)

Two-seat trainer version of Type 5, most with fixed landing gear.