Yuri Ivanov class design and featuresĮach intelligence-gathering vessel in the Yuri Ivanov-class has a length of 95m, width of 16m and draught of 4m. The hull and superstructures are built using steel. With a full load displacement of about 4,000t, the vessel can accommodate up to 120 personnel.Ī Gamma-01F fire-alarm system, developed by Russian company NGO Fire service equipment (NPO PAS), is fitted to provide fire protection for the vessel. Located amidships, the integrated bridge unit enables the crew to provide reliable command and control for the on-board equipment. Radars and antenna masts are mounted behind the bridge section. The Project 18280-class communication vessels are armed with two MTPU 14.5mm marine pedestal machine-gun mounts located on the deck. The machine guns are effective against lightly armoured surface, coastal and air targets flying at distances of up to 2km. Operated by a single person, the gun offers a rate of fire of 450 rounds a minute. The vessel is also equipped with six 9K38 Igla surface-to-air missile system (SAM) launchers consisting of up to 32 9M39 missiles to defend fixed-wing aircraft and helicopters.