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Geosynchronous Satellite Launch Vehicle Mk I

GSLV Mk I was the first generation of India's Geosynchronous Satellite Launch Vehicle, distinguished by its Russian-supplied cryogenic upper stage. It flew six times from GSLV-D1 in 2001 through GSLV-F06 in 2010, completing four successful missions and suffering two launch failures.

Identity

Aliases
GSLV Mk IGSLV Mark IGSLV MK-IRussian-cryogenic GSLV
Family Name
GSLV
Full Name
Geosynchronous Satellite Launch Vehicle Mk I
Reusability
expendable
Slug
gslv-mk-i
Status
retired
Type
rocket
Variant Name
Mk I

Details

Description
GSLV Mk I was the first generation of India's Geosynchronous Satellite Launch Vehicle, distinguished by its Russian-supplied cryogenic upper stage. It flew six times from GSLV-D1 in 2001 through GSLV-F06 in 2010, completing four successful missions and suffering two launch failures.
Engines
  • Count
    1
    Name
    S125/S139 solid rocket motor
    Placement
    core
  • Count
    4
    Name
    L40H Vikas
    Placement
    booster
  • Count
    1
    Name
    GS2 Vikas
    Placement
    core
  • Count
    1
    Name
    Russian-supplied cryogenic upper stage
    Placement
    upper
First Flight Year
2,001
Height M
49
Last Flight Year
2,010
Liftoff Mass Kg
414,000
Manufacturer Id
vh7c0c2003z1w3xxf0vgysyq7h7ng887
Operator Id
vh7c0c2003z1w3xxf0vgysyq7h7ng887
Parent Vehicle Family Id
nd7g6a27jy2r4kgb7x0tts7d198afrkn
Payload Capacity Kg
Gto
1,800
Stages Count
3
Strap On Boosters Count
4

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Creation Time
7/14/2026, 7:26:47 AM
Updated Time
7/14/2026, 6:38:52 PM