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Indian Navy Sindhughosh kilo class submarines documentary 2/2

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Sindhughosh class submarines are Indian variants of the 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 Kilo class is the NATO reporting name for a naval diesel-electric submarine that is made in Russia. The original version of the vessels were designated Project 877 Paltus (Turbot) in Russia. There is also a more advanced version, designated as Improved Kilo in the west, and Project 636 Varshavyanka in Russia. The Kilo will be succeeded by the Lada class submarine, which began sea trials in 2005.

The boats are mainly intended for anti-shipping and anti-submarine operations in relatively shallow waters. Original Project 877 boats are equipped with Rubikon MGK-400 sonar system (with NATO reporting name Shark Gill), which includes a mine detection and avoidance sonar MG-519 Arfa (with NATO reporting name Mouse Roar). Newer Project 636 boats are equipped with improved MGK-400EM, with MG-519 Afra also upgraded to MG-519EM. The improved sonar systems have reduced the number of operators needed by sharing the same console via automation.

Anechoic tiles are fitted on casings and fins to absorb the sonar sound waves of active sonar, which results in a reduction and distortion of the return signal. These tiles also help attenuate sounds that are emitted from the submarine, thus reducing the range by which the sub may be detected by passive sonar


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 Sindhughosh (S55) is the lead ship of her class of diesel-electric submarines of the Indian Navy.

The submarine was commissioned in April 1986 in Riga, Latvia. This submarine is diesel-powered and has totally six motors. INS Sindhughosh was the first submarine in Indian Navy to be equipped with the Klub ZM-54E SS-N-27 antiship cruise missiles with a range of 220 km. The submarine has a displacement of nearly 3,100 tons when dived, a maximum diving depth of 300 meters, speed of up to 17 knots (31 km/h), and are able to operate solo for 45 days with a crew of 52.
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वृत्तचित्र - Documentary
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