Krivak-class frigate

A Krivak II-class frigate Pytlivyy in Sevastopol Bay, 2009.
Class overview
NameKrivak class (Project 1135)
Builders
Operators
Preceded byRiga class
Succeeded by
Subclasses
Planned42
Completed40 (32 × 1135, 1135M, 11352/11353 and 8 × 11351)
Cancelled2 (2 × 11351)
Active4 active in Russia (1 × 1135, 1 × 1135M, 2 × 11351)
Lost1
Retired35
Preserved1
General characteristics
TypeFrigate / Patrol ship SKR (Russian classification)[1]
Displacement
  • Standard: 3,300 tons
  • Full: 3,575 tons
Length405.3 ft (123.5 m)
Beam46.3 ft (14.1 m)
Draught15.1 ft (4.6 m)
Propulsion
  • 2 shaft; COGAG
  • 2 × M-8k, 40,000 shp (30,000 kW) or DK59 13.5 MW or DT59 16.9 MW gas-turbines
  • 2 × M-62 7.4 MW or DS71 13.4 gas-turbines (cruise), 14,950 shp (11,150 kW)
Speed32 knots (59 km/h)
Range4,995 nmi (9,251 km) at 14 knots (26 km/h)
Complement200
Sensors and
processing systems
  • Radar: 1 MR-755 Fregat-M/Half Plate air/surf search
  • Sonar: Zvezda-2 suite with MGK-345 Bronza/Ox Yoke bow mounted LF, Ox Tail LF VDS
  • Fire control: Purga ASW combat system, 2 Drakon/Eye Bowl SSM targeting, 2 MPZ-301 Baza/Pop Group
Electronic warfare
& decoys
Start suite with Bell Shroud intercept, Bell Squat jammer, 4 PK-16 decoy RL, 8 PK-10 decoy RL, 2 towed decoys
Armament
Aircraft carriedKa-27 on Krivak III only

The Krivak class, Soviet designation Project 1135 Burevestnik (storm petrel), are a series of frigates and patrol ships[1] built in the Soviet Union primarily for the Soviet Navy since 1970. Later some sub-branches, like the Nerey (Nereus) were designed for coastal patrol by the KGB Border Troops. Until 1977, the ships in the class were considered to be large anti-submarine warfare vessels.

These ships are commonly known by their NATO reporting class name of Krivak and are divided into Krivak I, Krivak II, Krivak IV (navy), and Krivak III (coast guard) classes.

  1. ^ a b Polmar 1986, pp. 9, 220, 379.