31/7/2008: The INS Sindhuvijay diesel-electric submarine will set sail for India on August 5 to rejoin the Indian navy after an extensive overhaul at a shipyard in northern Russia, the company said on Tuesday.The Project 877EKM Kilo-class submarine had been undergoing a refit at the Zvezdochka shipyard in Severodvinsk since 2005. The overhaul was delayed for six months due to the unacceptable performance of its new SS-N-27 Club-S cruise missiles. In six consecutive pre-delivery test firings in September - November 2007, the Club missiles failed to find their targets and India refused to accept the delivery until all the problems had been fixed.The Club-S subsonic cruise missile is designed for launch from a 533 mm torpedo tube, or a vertical launch tube. It has a range of 160 nautical miles (about 220 km). It uses an ARGS-54 active radar seeker and Glonass satellite and inertial guidance. The new trials were completed in mid-July and were successful.Sindhuvijay is the 4th Indian navy submarine to have been refitted at the Zvyozdochka shipyard. The upgrade program also involved a complete overhaul of the submarine, including its hull structure, as well as improved control systems, sonars, electronic warfare systems, and an integrated weapon control system. The upgrades reportedly cost about $80 million.Russia's Kilo-class diesel-electric submarines have gained a reputation as extremely quiet boats, and have been purchased by China, India, Iran, Poland, Romania and Algeria.
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