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ASW Corvettes

 

 
 
 
     
 
 
 
  ASW Corvette MPK-75
Project 204 / Poti Class
 
  
 

The Poti class was the NATO reporting name for a group of anti-submarine warfare (ASW) corvettes built for the Soviet Navy. The Soviet designation was Project 204 small anti-submarine ships. Built in Khabarovsk, Zelenodolsk and Kerch, these 66 units were specialized in coastal anti-submarines control and cheaper than the class Petya or Mirka frigates. They had new D-2B gas turbines, giving them 35 knots, the best speed ever recorded by a Soviet ship of this type. Two propellers were mounted in tunnels to give a very shallow draught.

Anti-submarine weapons included four single-tube 400-mm torpedo tubes for SET-40 anti-submarine torpedoes and two RBU-6000 anti-submarine rocket launchers (RBU-2500 in Romanian and early Soviet ships). The artillery weapons consisted only of a AK-725 twin automatic turret 57-mm gun with the Bars fire control radar (or 57 mm ZIF-31B at early ships). Air/surface situation was carried out with the help of the Rubka radar, and underwater - with the help of the MG-312 sonar.

These ships served on all four fleets of the USSR Navy: 17 on the Black Sea Fleet, 11 on the Pacific Fleet, 22 on the Baltic Fleet and 11 on the Northtern Fleet.

ASW corvette MPK-75 laid down 18 October 1959 at the Shipyard No.532, Kerch (yard No.804), launched 29 April 1961, commissioned 26 October 1962.

MPK-75 was decommissioned and excluded from the lists of the Black Sea Fleet on 26 June 1988 and transferred to the Zaporozye KYuM as training ship No.75. Scrapped 1997.

Specifications
Displacement (tons):
Standard:410
Full load:510
Dimensions (m):
Length:58,64
Beam:8,13
Draft:2,94
Speed (knots):35
Range:2650 nmi (13,75 knots), 2500 nmi (14 knots), 1500 nmi (17,68 knots), 350 nmi (33 knots)
Autonomy (days):7
Propulsion:2x15000 hp D-2B gas turbines, 2x3300 hp M-503V diesels, 2 fixed pitch propellers in hydro-motors, 2x200 kW diesel generators
Armament: 1x2 57 mm ZIF-31B - 1000 rounds
4x1 400 mm OTA-40-204 torpedo tubes (4 SET-40 torpedoes) – Zummer fire control system
2x16 RBU-2500 Smerch (128 RGB-25) – Smerch-204 control system
Electronics:

MR-302 Rubka air/surface search radar, Bizan-4B ESM radar system, Donets navigation radar, Nichrom-M IFF, ARP-50 radio direction finder, MG-312 Titan-2 sonar

Complement:55
 
       
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