Bereznyak-Isayev BI-1 · PlaneSpot

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24 Apr 2026 · © Unknown

A rare Bereznyak-Isayev BI-1, the experimental Soviet rocket fighter of WWII, on display in a museum.

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Aircraft

Soviet Air Force (WWII era)

Manufacturer

Bereznyak-Isayev

Achievements

Retro Wings, Rare Bird, Vintage Voyager, Boeing Beginner, Military Maverick

5 badges earned

Insights

Aviation History

The Bereznyak-Isayev BI-1 was the first Soviet rocket-powered fighter, developed during WWII. It represents early Soviet experimentation with rocket propulsion and is among the world\'s first military rocket aircraft designs.

Fleet Rarity

Extremely rare; only a handful of prototypes were built and none saw combat service.

Record Flights

No major service flights, as it remained experimental and only made several test flights.

Safety & Events

The aircraft suffered from instability and dangerous handling; one prototype crashed during testing, resulting in the pilot\'s death.

Future Outlook

Prototype preserved in museum; no surviving flying examples.

Specifications

Isayev D-1A rocket engine

Engine

6.48 m

Wingspan

6.4 m

Length

25 km

Range

Travelled at up to 800 km/h (max speed)

Speed

1 (pilot)

Capacity

1,650 kg

MTOW

2.4 m

Height

13.7 kN

Thrust

Not available (rocket aircraft, non-standard rating)

Noise