GSLV Mk.2(4)

GSLV Mk.2(4) (GISAT 1) [ISRO]

The indian GSLV (Geostationary Launch Vehicle) series are launch vehicles in the 2500 kg to GTO class, which feature a unusual combination of different kind of stages. The first stage consists of a large solid rocket, derived from the PSLV first stage. It is augmented by four liquid fueled strap-on boosters, which have a longer burn time than stage 1. Each booster is powered by a Vikas engine and remains connected with stage 1 during the flight. The second stage is a liquid fueled stage featuring storable propellants. It is the same as used in the PSLV and is also powered with a Vikas engine. The cryogenic stage 3 for the GSLV Mk.1 version is powered by the Russian KVD-1M engine, which was originally developed for a cryogenic version of the Proton launch vehicle. It was replaced by the GSLV Mk.2 version, which features the indian built CE7.5 engine.

→ complete list of all GSLV launches.
→ complete list of all PSLV / GSLV family launches.

Version	Strap-On	Stage 1	Stage 2	Stage 3
GSLV Mk.2(4)	4 × L-40H / HTVE	GS-1 / S-139	GS-2 (GL-40HT) / HTVE	GS-3 (CUS-15) / CE7.5 (upr.)

Performance (kg)	LEO	LPEO	SSO	GTO	GEO	MolO	IP
GSLV Mk.2(4)				2500	-

No: TypeNo:Serial     Type            Date          LS       Payload

14    1    GSLV-F10   GSLV Mk.2(4)    11.08.2021 F  Sr SLP   GISAT 1 (EOS 03)
15    2    GSLV-F12   GSLV Mk.2(4)    29.05.2023    Sr SLP   IRNSS 1J (NVS 01)	
16    3    GSLV-F14   GSLV Mk.2(4)    17.02.2024    Sr SLP   Insat 3DS
17    4    GSLV-F15   GSLV Mk.2(4)    29.01.2025    Sr SLP   IRNSS 1K (NVS 02)
18    5    GSLV-F16   GSLV Mk.2(4)    30.07.2025    Sr SLP   NISAR
19    6    GSLV-F17   GSLV Mk.2(4)    03.09.2026    Sr SLP   GISAT 1A (EOS 05)
 

Planned:

 x    x    GSLV-F     GSLV Mk.2(4)    xx.xx.202x    Sr       IDRSS 1 (CMS 04)
 x    x    GSLV-F     GSLV Mk.2(4)    xx.xx.202x    Sr       IDRSS 2 (CMS xx)
 x    x    GSLV-F     GSLV Mk.2(4)    xx.xx.202x    Sr       IRNSS 1L (NVS 03)
 x    x    GSLV-F     GSLV Mk.2(4)    xx.xx.202x    Sr       IRNSS 1M (NVS 04)
 x    x    GSLV-F     GSLV Mk.2(4)    xx.xx.202x    Sr       IRNSS 1N (NVS 05)


Launch sites:

Sr  =    Satish Dhawan Space Center (Sriharikota Space Center), Sriharikota, Andhra Pradesh, India

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