Aboard there was a crew of about 80 men. Various sensors and processing systems were installed for navigation, search-and-track, air-search and surface-search capability. As the class was required to hunt submarines, the warships were also outfitted with sonar systems.
The armament suite was led by a single twin-gunned 57mm AK-725 series turreted deck gun fitted over the forecastle. This was backed by 1 x twin-gunned 30mm AK-230 series gun installation. The vessels also carried 2 x SA-N-5 shoulder-fired Surface-to-Air Missile (SAM) launchers for short-to-medium-ranged aerial threats. 2 x RBU-6000 Anti-Submarine ROCket (ASROC) launchers were installed for submarine hunting and 12 x depth charges were also carried. 4 x 400mm torpedo tubes supplied a torpedo-launching function.
All told, the class was given a healthy stable of anti-aircraft and anti-submarine weapons to suit the particular mission need. In practice, the group performed well in their given roles for their time in naval history, particularly in close-to-shore patrolling and deterrence work. Lacking a deeper anti-aircraft and anti-ship capability, however, limited the type in service but the vessels were good for what they were designed for.
The Russian Navy still relies on the series to an extent with active named vessels being Urengoy, Kazanets, Zelenodolsk, Alexin, Kabrdino-Balkaria and Kalmykia. However, their long-term usefulness and overall value is in doubt as much has progressed in the way of naval technology and construction practices since the 1980s. The Indonesian Navy vessels have been modernized some through expensive programs that has involved complete engine replacement (involving Deutz, MTU and Caterpillar types installed). The group is known locally as the Kapitan Patimura-class.
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