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Counter sabotage Project 21980 boat (''"Grachonok"'' code) is a class of boats of water region patrol, designed for the Russian Navy. Project 21980 designed to combat sabotage and terrorist forces and means in the waters of bases and near the approaches to them, as well as to assist the Border Service of the Federal Security Service of the Russian Federation in solving the problems of preservation and protection of the state border of Russia. Ten boats were built in 2009-2014. ==Performance characteristics== * Displacement: 139 t * Length: 31.04 m * Width: 7.4 m * Draft: 1.85 m * Speed: 23 knots * The cruising range of 200 miles * Endurance: 5 days * The crew of 8 people Power plant * 2 diesel Electronics * electro-optical surveillance system MTS-201, sonar "Kalmar", counter sabotage towed sonar "Anapa" Weaponry * One marine machine-gun installation MTPU of 14.5 mm caliber, anti-sabotage grenade launchers DP-65A and DP-64, portable anti-aircraft missile system "Igla-1" (ammunition - 4 SAMs). 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Grachonok-class anti-saboteur ship」の詳細全文を読む スポンサード リンク
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