Project 1135 Burevestnik / Krivak-class frigate and derivatives

Project 1135 Burevestnik, known to NATO as the Krivak-class, is a Soviet anti-submarine frigate family developed by the Northern Design Bureau as a smaller ocean-going successor to the Riga class. Built at multiple Soviet shipyards, the line split into Krivak I through IV branches and later produced export and follow-on derivatives used by the Russian, Ukrainian, Indian, and Soviet border forces.

Russia-Ukraine War🏳️ Unspecified

Project 1135 Burevestnik / Krivak-class frigate and derivatives, Anti-submarine frigate family, Naval Systems

Image source: Project 1135 Ladny 2012 G1.jpg

Profile

Origin: Soviet Union
Built by: A. A. Zhdanov ShipyardYantar ShipyardZaliv Shipyard
Type: Anti-submarine frigate family
Service note: 1970-present
Designer: Northern Design Bureau
Designed: 1964-1966
Produced: 1968-1990
Number built: 40 completed under original programs
Variants: Project 1135 Burevestnik (Krivak I), Project 1135M Burevestnik M (Krivak II), Project 11351 Nerey (Krivak III), Project 11352/11353 (Krivak IV), Project 11356 Talwar, Project 11356R Admiral Grigorovich
Developed from: Riga-class frigate

Also Known As

Burevestnik class
Krivak class
Krivak-class frigate
Project 1135
Project 1135 Burevestnik
Project 1135 Burevestnik frigate
Project 1135M Burevestnik M
Project 11351 Nerey

frigate anti-submarine warfare naval

Specifications

Displacement: 3,420-3,900 tons full load, depending on variant
Length: 123.1-126 m
Beam: 14.1-14.2 m
Speed: 30-32 knots
Crew: 181-200
Propulsion: COGAG with two cruise and two boost gas turbines
Armament: SS-N-14 or Rastrub ASW missiles, Osa-MA SAMs, 76 mm or 100 mm guns, RBU-6000 launchers, and torpedo tubes
Range: About 4,995 km at 20 knots

Family Branches

Project 1135 began as a Soviet anti-submarine frigate and then split into branches with different guns, sensors, and patrol roles.

Branch	NATO name	Key distinction
Project 1135	Krivak I	Baseline ASW frigate with SS-N-14 missiles and twin 76 mm guns.
Project 1135M	Krivak II	Single 100 mm gun and revised sonar installation.
Project 11351 / 1135.1	Krivak III	Border-guard derivative that replaced the missile box with a helicopter hangar and bow gun.
Project 11352/11353	Krivak IV	Modernized ships refitted with SS-N-25 anti-ship missiles and updated sensors.

Service And Conflict Use

Service History

In service: First entered Soviet Navy service in 1970; later Project 1135 derivatives remained in Russian, Ukrainian, and Indian use.
Used by: Soviet Navy, KGB Border Troops, Russian Navy, Ukrainian Navy, Indian Navy

Conflict Usage

Side: 🏳️Unspecified

Ukraine's Krivak III-derived frigate Hetman Sahaidachny was reportedly scuttled at Mykolaiv in March 2022 to prevent capture during Russia's full-scale invasion.

Project 1135 Burevestnik / Krivak-class frigate and derivatives Images

Project 1135 Burevestnik / Krivak-class frigate and derivatives, Anti-submarine frigate family, Naval Systems - view 1 — Source: Krivak-class frigate profile 1987.png

Project 1135 Burevestnik / Krivak-class frigate and derivatives, Anti-submarine frigate family, Naval Systems - view 2 — Source: Hetman Sahaidachny 2012 G2.jpg

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Sources

Krivak class frigates (1970)Publisher: Naval Encyclopedia | Note: Supports Project 1135 development history, the anti-submarine design focus, shipyard construction, and the Krivak I/II/III/IV branch structure. | Accessed: 2026-06-25 Krivak Class - Project 1135Publisher: GlobalSecurity.org | Note: Supports the class designation, builders, displacement, dimensions, propulsion, speed, crew, armament, and variant-level specifications. | Accessed: 2026-06-25 Krivak-class (Project 1135 Burevestnik): Frigate Specs & HistoryPublisher: GlobalMilitary.net | Note: Supports the class overview, successor relationship to the Riga class, original build program, and later derivatives including Talwar and Admiral Grigorovich. | Accessed: 2026-06-25 List of Ukrainian Navy ships would have been destroyed or captured by Russian armed forcesPublisher: Army Recognition | Note: Supports Russia-Ukraine War direct conflict-use: Hetman Sahaidachny was reported scuttled in Mykolaiv to prevent capture. | Accessed: 2026-06-25 The Ukrainian Navy's Flagship Appears To Have Been ScuttledPublisher: The War Zone | Note: Supports Russia-Ukraine War direct conflict-use: the Ukrainian Navy's flagship Hetman Sahaidachny was reported partially sunk in Mykolaiv in March 2022. | Accessed: 2026-06-25 Project 1135 Ladny 2012 G1.jpgPublisher: Wikimedia Commons | Note: Supports image provenance for the lead Project 1135 frigate photo. | Accessed: 2026-06-25 Krivak-class frigate profile 1987.pngPublisher: Wikimedia Commons | Note: Supports image provenance for the Krivak I/II profile diagram. | Accessed: 2026-06-25 Hetman Sahaidachny 2012 G2.jpgPublisher: Wikimedia Commons | Note: Supports image provenance for the Ukrainian Krivak III derivative image. | Accessed: 2026-06-25