In total, during the repair of the submarine were changed about 18 thousands of different components, including an anechoic coating, some elements of the engines, propellers and sonar. Other details about the carrying out of repairs are not specified. Also not reported, particularly when Submarine was put into dry dock to undergo repairs.
At the current time in service with the Iranian Navy has three submarines project 877EKM (Kilo class to systematize NATO): "Tareg", "Nour" and "Eunice". They were built "Admiralty Shipyards" in 1991-1992, and became part of the Iranian Navy in 1991, 1992 and 1996, respectively.
Submarines 877EKM (Export Capitalist Upgraded) are capable of speeds up to 19 knots and dive to a depth of 350 meters. Version of the CME was designed with the operation in tropical waters. The ships are armed with six torpedo tubes 533 mm.