Kronshtadt Class Submarine Chaser

Kronshtadt Class Submarine Chaser



project 122bis, Kronshtadt Class chaser
Class overview
Builders: Zelenodolsk shipbuilding yard No. 340
Operators: Soviet Navy
Albanian Naval Defense Forces
Bulgarian Navy
People's Liberation Army Navy
Cuban Navy
Indonesian Navy
Polish Navy
Romanian Naval Forces
Succeeded by: Poti class corvette
Completed: 227
General characteristics
Class & type: Large submarine chasers
since 1956 — Small anti-submarine ships
Displacement: 289 (I series) / 302 (II series) ton standard, 325 (I series) / 337,7 tons full load
Length: 52.24 m (171.4 ft)
Beam: 6.55 m (21.5 ft)
Draft: 2.2 m (7.2 ft)
Propulsion: 3 diesel engines @ 3,600 hp "General Motors" (I series) / 3,300 hp "9D" (II series) with 3 shafts
Speed: 20.5 (I series) / 18.7 (II series) knots
Range: 2600-3500 nm at 12 knots
Complement: 50-54
Sensors and
processing systems:
  • Radar: 1 "Giuys-1" or "Zarya" (I series) / "Lin`" or/and "Neptun" (II series) search radar
  • Sonar: 1 "Tamir-9" or "Tamir-10" or "Tamir-11" hull mounted high frequency active sonar
Armament:
  • 1 x 90K dual purposes 85 mm gun
  • 2 x 70К 37mm guns (2x1)
  • 6 x "Colt-Browning" or 2M-1 12.7 mm heavy machine guns (2x3) (I series)
  • 6 x 2M-7 14.5 mm (2x3) (last ships of II series)
  • 2 depth charge rails (30 large & 30 small depth charges)
  • 2 x BMB-1 or BMB-2 ASW mortars
  • 2 x RBU (II series) or 2 x RBU-1200 (last ships of II series) rocket launchers
  • 16 Type 1908/39 mines (overload)
Armor: 8 mm (conning tower)

Project 122bis (NATO codename Kronshtadt class) submarine chasers were a Soviet design which were exported throughout the communist bloc in the 1950s. The first ship, BO-270, was built at Zelenodolsk in 1945-1947 and a total of 227 were built for Soviet Navy (175) and border guard until 1955. As well as this, twenty Project 357 (Libau class) despatch vessels were built on the same hull, but were unarmed.

Read more about Kronshtadt Class Submarine Chaser:  Service History, Ships, Export and Transferring, Chinese Service History

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