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Laville DI-4

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Title: Laville DI-4  
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Subject: Soviet Union military aircraft designation systems, List of fighter aircraft
Publisher: World Heritage Encyclopedia

Laville DI-4

Role Fighter
National origin Soviet Union
Designer Henri Laville
First flight 4 January 1932
Number built One

Laville DI-4 (Russian: Лавиль ДИ-4) was a prototype two-seat fighter aircraft developed in the Soviet Union in the 1930s. The chief designer Henri Laville was one of several French aviation specialists invited to work in the Soviet Union and not surprisingly the DI-4 layout was typical of the French trend at the time with a high-mounted gull wing (first for a Soviet aircraft) and all-metal construction. Test flight program was completed in 1933 but despite good performance the aircraft did not enter mass production, in part because Soviet Union had no plans to purchase the Curtiss V-1570 engine.[1]

Specifications (DI-4)

Data from Shavrov 1985[1]

General characteristics
  • Crew: Two
  • Length: 8.5 m (27 ft 11 in)
  • Wingspan: 13.3 m (43 ft 8 in)
  • Height: ()
  • Wing area: 23.9 m² (257.3 ft²)
  • Empty weight: 1,448 kg (3,192 lb)
  • Loaded weight: 1,949 kg (4,297 lb)
  • Powerplant: 1 × Curtiss V-1570 Conqueror V12 engine, 448 kW (600 hp)


  • 2× 7.62 mm (0.3 in) synchronized PV-1 machine guns
  • 2x 7.62 mm (0.3 in) turret-mounted DA machine guns
  • References

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