Sindhughosh class submarine
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INS Sindhughosh
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| Class overview | |
|---|---|
| Name: | Sindhughosh class |
| Operators: |
 Indian Navy
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| Preceded by: | Vela class |
| In commission: | 1986– |
| Planned: | 10 |
| Completed: | 10 |
| Active: | 9 |
| Laid up: | 1 |
| General characteristics | |
| Type: | Submarine |
| Displacement: |
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| Length: | 72.6 m (238 ft 2 in) |
| Beam: | 9.9 m (32 ft 6 in) |
| Draught: | 6.6 m (21 ft 8 in) |
| Propulsion: |
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| Speed: |
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| Range: |
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| Test depth: | 300 m (980 ft) |
| Complement: | 53 (13 Officers) |
| Armament: |
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Sindhughosh-class submarines are Kilo-class diesel-electric submarines in active service with the Indian Navy. Their names are in Sanskrit, but in their Roman-alphabet forms sometimes a final short -a is dropped.
The Sindhughosh submarines, designated 877EKM, were designed as part of Project 877, and built under a contract between Rosvooruzhenie and the Ministry of Defence (India).
The submarines have a displacement of 3,000 tonnes, a maximum diving depth of 300 meters, top speed of 18 knots, and are able to operate solo for 45 days with a crew of 53. The final unit was the first to be equipped with the 3M-54 Klub (SS-N-27) antiship cruise missiles with a range of 220 km.
INS Sindhuvijay has been upgraded with the hydro acoustical USHUS complex and the CCS-MK radio communications system. On 29 August 2014 DAC cleared the long-awaited mid-life upgrade of the four Kilo-class submarines, which would be carried out in Indian shipyards and is likely to cost Rs. 4,800 crore (4,800 million). On 5 November 2014 official sources at HSL said more than 90% of the work has been completed on the seventh submarine of the Sindhughosh class INS Sindhukirti. Scheduled to re-join the fleet on 31 March 2015, she re-entered service on 23 May.
The Indian Navy signed a contract with the Russian shipbuilder Sevmash to refit and upgrade the existing submarines and to extend their operational life by 35 years. The first submarine, INS Sindhukesari, will be sent for refit starting June 2016. The extensive refit, the value for which is pegged at Rs 5,000 crore for a total of four submarines, will not only extend the life of the boats but will also upgrade their combat potential and fitted with Klub land attack cruise missile.
In 2015, the naval exercise Malabar, between the navies of India and the United States, involved Sindhudhvaj and USS City of Corpus Christi hunting each other. Reportedly Sindhudhvaj managed to track Corpus Christi and score a simulated kill without being detected.
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