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INS Sindhughosh (S55)

Diesel-Electric Attack Submarine

India | 1986

"INS Sindhughosh S55, commissioned in April of 1986, continues to serve the modern Indian Navy today."

Power & Performance
Those special qualities that separate one sea-going vessel design from another. Performance specifications presented assume optimal operating conditions for INS Sindhughosh (S55).
2 x Diesel-electric motors developing 3,650 horsepower; 1 x Electric motor generating 5,900 horsepower; 2 x Auxiliary motors generating 204 horsepower each; 1 x Economy speed motor generating 130 horsepower; 1 x Shaft.
10.0 kts
11.5 mph
Surface Speed
17.0 kts
19.6 mph
Submerged Speed
5,214 nm
6,000 miles | 9,656 km
The bow-to-stern, port-to-starboard physical qualities of INS Sindhughosh (S55).
238.0 ft
72.54 meters
O/A Length
32.0 ft
9.75 meters
22.0 ft
6.71 meters
Displacement (Submerged)
Available supported armament and special-mission equipment featured in the design of INS Sindhughosh (S55).
Torpedo tubes with support for up to 24 x DM-1 naval mines, also 9M36 "Strela-3" (SA-N-8) Surface-to-Air Missile (SAM) launcher, and 3M-54 "Kalibr" cruise / land-attack missiles.
Ships-in-Class (10)
Notable series variants as part of the INS Sindhughosh (S55) family line as relating to the Sindhughosh-class group.
INS Sindhughosh (S55); INS Sindhudhvaj (S56); INS Sindhuraj (S57); INS Sindhuvir (S58); INS Sindhuratna (S59); INS Sindhukesari (S60); INS Sindhukirti (S61); INS Sindhuvijay (S62); INS Sindhurakshak (S63); INS Sindhurashtra (S65)

Authored By: Staff Writer | Last Edited: 01/07/2019 | Content ©www.MilitaryFactory.com | The following text is exclusive to this site; No A.I. was used in the generation of this content.

In the event of Total War, the modern Indian Navy has, on-call, up to fourteen submarines consisting of nuclear-powered and conventionally-powered attack types. Leading the way is the all-new INS Arihant (S73), India's first nuclear-powered ballistic missile submarine (detailed elsewhere on this site). At the other end of the spectrum lies INS Sindhughosh (S55) (translating to "Battle Cry" or similar), a conventionally-powered type serving as lead-ship of the Sindhughosh-class of diesel-electric-powered attack submarines. Nine originally made up the class with one having been lost to explosion in 2013. The more advanced Kalvari-class is set to replace some of the group.

INS Sindhughosh (S55) was commissioned into service on April 30th, 1986 and remains in active service as of this writing (January 2019). She was built at the Russian shipyards in Severodvinsk and Sevmash prior to delivery to the Indian Navy. The boat makes her homeport at Mumbai, India.

The boat carries a surfaced displacement of 2,325 tons and up to 3,075 tons when submerged. Dimensions include a running length of 238 feet, a beam measuring 32 feet and a draught down to 22 feet. Power is from a diesel-electric arrangement involving 2 x Diesel-electric motors outputting 3,650 horsepower, 1 x Electric motor of 5,900 horsepower, 2 x Auxiliary motors of 204 horsepower, and a1 x Economy speed motor of 130 horsepower. All told, the vessel can make headway at 10 knots when surfaced and up to 17 knots when submerged. Range is out to 6,000 miles in ideal conditions, allowing for mission endurance windows up to 45 days. The crew numbers 52 and includes thirteen officers.

Primary armament are torpedoes (both passive wake and active-passive types being supported) of Russian origination. The boat also carries a 9M36 "Strela-3" (SA-N-8) Surface-to-Air Missile (SAM) launcher to deal with inbound low-flying aerial threats and up to 24 x DM-1 naval mines can be carried as needed. There is also support for the ZM-54E "Klub" (SS-N-27) anti-ship cruise / land-attack missile capable of reaching targets (seaborne and inland) out to 140 miles.

Since commissioning in 1986, this particular Indian Navy vessel has led a rather suspect operational existence - its notable entries painting a rather negative image. In January 2008, the boat collided with the merchantman "MV Leeds Castle" offshore of Mumbai while attempting to surface as part of Indian Navy war games. During August 2013, the boat experienced a fire and suffered what were described as minor damage though sister boat INS Sindhurakshak was lost in the incident. In January 2014, the boat ran aground in shallow waters en route to its yard in Mumbai - no casualties were reported.

Of the ten Sindhughosh-class submarines completed, nine remain in service, with the sole aforementioned unit heaving been decommissioned.

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Global operator(s) of the INS Sindhughosh (S55). Nations are displayed by flag, each linked to their respective national naval warfare listing.
National flag of India

[ India ]
1 / 1
Image of the INS Sindhughosh (S55)
Image from the Indian Navy.

Going Further...
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