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Buran OK-GLI atmospheric test vehicle

OK-GLI was the full-scale, jet-powered atmospheric analogue used to validate the Buran orbiter's approach, landing, and automatic flight-control behavior. Built in 1984 with four AL-31-series engines, it completed 25 atmospheric flights through 1989 and is preserved at Technik Museum Speyer.

Buran OK-GLI atmospheric test vehicle
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Identity

Aliases
BTS-002BTS-02Buran analogue aircraft
Family Name
Buran
Full Name
Buran OK-GLI atmospheric test vehicle
Roles
researchexperimentaltechnology_demonstrator
Status
retired
Type
aircraft
Variant Name
OK-GLI atmospheric test vehicle

Details

Aircraft Specs
Configuration
fixed_wing
Operating Modes
land
Takeoff Landing Capabilities
conventional
Description
OK-GLI was the full-scale, jet-powered atmospheric analogue used to validate the Buran orbiter's approach, landing, and automatic flight-control behavior. Built in 1984 with four AL-31-series engines, it completed 25 atmospheric flights through 1989 and is preserved at Technik Museum Speyer.
Dimensions
Height M
16.35
First Flight Year
1,984
Last Flight Year
1,989
Parent Vehicle Family
Propulsion Configurations
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Creation Time
July 19, 2026 at 06:18:00 UTC
Updated Time
July 29, 2026 at 15:35:57 UTC

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Search Name
Buran OK-GLI atmospheric test vehicle BTS-002 BTS-02 Buran analogue aircraft