I-2
Role	Fighter Type of aircraft
Designer	Grigorovich
First flight	4 November 1924
Primary user	Soviet Air Forces
Developed from	Grigorovich I-1

The Grigorovich I-2 was a biplane fighter aircraft of the Soviet Union, the first indigenous fighter to enter service in substantial numbers. Developed from the Grigorovich I-1, it first flew on 4 November 1924, piloted by A.I. Zhukov. The M-5 engine was a Soviet copy of the Liberty L-12.

Production of the redesigned I-2bis was 211 aircraft. Production was performed by Aviation Repair Plant No.3 in Smolensk.

Operators

 Soviet Union

• Soviet Air Forces

Specifications (I-2bis)

Data from^{[citation needed]}

General characteristics

• Crew: 1
• Length: 7.32 m (24 ft 0 in)
• Wingspan: 10.8 m (35 ft 5 in)
• Height: 3 m (9 ft 10 in)
• Wing area: 23.4 m² (252 sq ft)
• Empty weight: 1,152 kg (2,540 lb)
• Gross weight: 1,575 kg (3,472 lb)
• Powerplant: 1 × Mikulin M-5 V-12 water-cooled piston engine, 298 kW (400 hp)
• Propellers: 2-bladed fixed-pitch propeller

Performance

• Maximum speed: 235 km/h (146 mph, 127 kn)
• Range: 600 km (370 mi, 320 nmi)
• Service ceiling: 5,340 m (17,520 ft)
• Rate of climb: 7 m/s (1,400 ft/min)
• Wing loading: 67 kg/m² (14 lb/sq ft)
• Power/mass: 0.19 kW/kg (0.12 hp/lb)

Armament

• Guns: 2 × 7.62 mm PV-1 machine guns