Naval Systems

Neustrashimy-class frigate

Also known as
  • Project 11540
  • Project 11540 Yastreb
  • Yastreb
  • Neustrashimyy class
  • NATO: Neustrashimyy

The Neustrashimy-class frigate is the Soviet Project 11540 Yastreb anti-submarine warfare frigate family, designed through a long Cold War development path and built at Yantar Shipbuilding Plant in Kaliningrad for Russian Baltic Fleet service. Only Neustrashimy and Yaroslav Mudry were completed, but the class combines a 129.8 m hull, helicopter facilities, sonar-centered anti-submarine weapons, 3K95 Kinzhal naval surface-to-air missiles, Kortik close-in defenses, and Kh-35 Uran anti-ship missiles on the second ship. Neustrashimy is directly documented in the 2008 Gulf of Aden counter-piracy campaign.

Neustrashimy-class frigate, Anti-submarine warfare frigate, Naval Systems
Image source: NEUSTRASHIMY class frigate.jpg

Role in Conflicts

Profile / Specs

Profile

Origin
Soviet Union
Built in
Russia
Type
Anti-submarine warfare frigate
Service note
1980s-present
Designer
Zelenodolsk Design and Development Bureau
Designed
Early to mid-1980s
Produced
1986-2009
Number built
2 built, 5 cancelled

Specifications

Displacement
4,350-4,450 tonnes full load
Length
129.8 m overall
Beam
15.6 m
Draft
4.8 m hull
Speed
29-30 knots
Range
3,000 nm at 18 knots; 4,500 nm at 14 knots
Endurance
30 days
Complement
210 including 35 officers
Sensors
MR-750 Fregat-M2 air/surface search radar, MR-145 fire-control radar, MR-212 navigation radar, and MGK-365 Zvezda-M1 sonar
Armament
100 mm AK-100 gun, Kh-35 Uran anti-ship missiles on Yaroslav Mudry, 3K95 Kinzhal SAMs, 533 mm torpedo tubes, RBU-6000, and 3M87 Kortik CIWS
Aircraft
1 Ka-27PL helicopter
Design Path And Completed Ships

Project 11540 grew from Soviet anti-submarine escort requirements into a larger Baltic Fleet frigate design with convoy-defense, task-group escort, and multi-domain self-defense roles. The post-Soviet funding break left only two completed hulls in service.

Ship or derivativeDocumented statusSource-backed context
NeustrashimyLead shipLead Project 11540 ship built by Yantar; entered the class service record in the early 1990s and later underwent a long repair and modernization cycle.
Yaroslav MudrySecond completed shipCompleted after the Soviet collapse and delivered in 2009, forming the class's two-ship operational record.
Cancelled hullsUnfinished or cancelledRussianShips.info and WeaponsSystems.net describe a larger planned series that contracted to two completed ships and five cancelled hulls.
Project 11541 KorsarDerivative export designGlobalSecurity describes Korsar as a further development of the Project 11540/1154 design line for escort, patrol, anti-submarine, anti-surface, and air-defense tasks.

Primary support: Project 1154 Neustrashimy class; Guard Ships - Project 11540; Project 11540 Yastreb class; Neustrashimy Class (Type 11540).

Timeline

Neustrashimy-class frigate Key Events

  1. Expanded Project 11540 development approved

    GlobalSecurity describes the class as a design that grew from earlier anti-submarine escort requirements into a larger ship intended to defend task groups and convoys against submarine, surface, and air threats.

    Sources: Project 1154 Neustrashimy class

  2. Production opens at Yantar

    RussianShips.info and WeaponsSystems.net place Project 11540 production at Yantar Shipyard in Kaliningrad, with the two completed ships emerging from a program originally planned for a larger series.

    Sources: Guard Ships - Project 11540, Project 11540 Yastreb class

  3. Lead ship enters Russian Navy service

    WeaponsSystems.net lists the class entering service in 1993, while RussianShips.info identifies Neustrashimy as the lead completed Project 11540 ship.

    Sources: Guard Ships - Project 11540, Project 11540 Yastreb class

  4. Neustrashimy used in Gulf of Aden counter-piracy action

    Guardian and agency reporting said Neustrashimy and HMS Cumberland helped repel a pirate attack on the Danish cargo vessel Powerful during the 2008 Somali piracy crisis.

    Sources: British and Russian ships fight off Somali pirates, Russian, British frigates repel Somalia pirates

  5. Yaroslav Mudry completes the operational pair

    Naval Technology and RussianShips.info report that the second completed Project 11540 ship, Yaroslav Mudry, was delivered after a long construction delay, leaving two completed ships and five cancelled hulls in the class record.

    Sources: Neustrashimy Class (Type 11540), Guard Ships - Project 11540

  6. Acceptance trials begin after overhaul

    Russian reporting and Naval Today coverage said Neustrashimy began acceptance trials in the Baltic Sea after years of repair and modernization work.

    Sources: Russian frigate Neustrashimy starts acceptance trials after years-long repairs

  7. Upgrade tests conclude with missile firings

    TASS reported that the Baltic Fleet's guard ship completed delivery and acceptance tests after its upgrade and fired its surface-to-air missile system during the trials.

    Sources: Russian Navy’s guard ship wraps up Baltic tests after upgrade

Combat System Fit

The class is centered on anti-submarine escort work but carries layered self-defense and surface-attack weapons. Source descriptions differ by ship, especially because Yaroslav Mudry is the documented Kh-35 Uran carrier in the completed pair.

AreaReported fitOperational meaning
Anti-submarineMGK-365 Zvezda-M1 sonar, 533 mm torpedo tubes, Vodopad-NK/torpedo options, RBU-6000, and a Ka-27PL helicopterGives the ships a sensor-and-helicopter ASW package rather than relying only on hull-mounted weapons.
Air defense3K95 Kinzhal vertical-launch SAMs and two 3M87 Kortik close-in weapon systemsProvides short-range missile and gun defense against aircraft, missiles, and close threats.
Surface attackKh-35 Uran anti-ship missiles are documented for Yaroslav Mudry; the class also carries a 100 mm AK-100 gunSeparates the second ship's anti-ship missile fit from class-level gun and escort functions.
Endurance and aviationAbout 30 days endurance and a stern hangar/platform for one Ka-27PL helicopterSupports distant escort, anti-piracy, and patrol deployments beyond Baltic coastal presence.

Primary support: Project 11540 Yastreb class; Guard Ships - Project 11540; Russian Navy’s guard ship wraps up Baltic tests after upgrade.

Media

Neustrashimy-class frigate Images

Neustrashimy-class frigate, Anti-submarine warfare frigate, Naval Systems - view 1
Source: Frigate Neustrashimy (FF 712) 188.jpg
Neustrashimy-class frigate, Anti-submarine warfare frigate, Naval Systems - view 2
Source: Yaroslav Mudry in SPb.jpg
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Sources

Neustrashimy Class (Type 11540)Publisher: Naval Technology | Note: Supports the class role, Zelenodolsk designer, Yantar build context, delayed Yaroslav Mudry delivery, and general background for the Neustrashimy-class frigate family. | Accessed: 2026-07-01Guard Ships - Project 11540Publisher: RussianShips.info | Note: Supports the class designation, origin, dimensions, speed, range, and ship list context for the Project 11540 family. | Accessed: 2026-07-01Project 11540 Yastreb classPublisher: WeaponsSystems.net | Note: Supports the class's Russian origin, production period, producer, complement, propulsion, sensors, armament, helicopter fit, and service status. | Accessed: 2026-07-01Russian Navy’s guard ship wraps up Baltic tests after upgradePublisher: TASS | Note: Supports the Neustrashimy post-upgrade test context, including navigation, radar, target-acquisition, artillery, anti-aircraft missile, and handover-preparation details. | Accessed: 2026-07-01Russian frigate Neustrashimy starts acceptance trials after years-long repairsPublisher: Naval Today | Note: Supports the class's post-refit acceptance-trial context and Baltic Sea service continuity after years-long repairs. | Accessed: 2026-07-01Project 1154 Neustrashimy classPublisher: GlobalSecurity.org | Note: Supports the Project 11540/1154 design-history path, Zelenodolsk design bureau context, convoy and task-group defense role, planned Uran fit from the second ship, and Project 11541 Korsar derivative context. | Accessed: 2026-07-01British and Russian ships fight off Somali piratesPublisher: The Guardian | Note: Supports 2008 Somali Piracy / Operation Atalanta direct conflict-use context: contemporary reporting said Neustrashimy and HMS Cumberland helped repel Somali pirates in the Gulf of Aden during an attack on the Danish cargo vessel Powerful. | Accessed: 2026-07-01Russian, British frigates repel Somalia piratesPublisher: China Daily | Note: Supports 2008 Somali Piracy / Operation Atalanta direct conflict-use context: agency reporting identified Neustrashimy as the Russian Baltic Fleet frigate involved in repelling the Gulf of Aden pirate attack and said it was escorting merchant ships in the area. | Accessed: 2026-07-01Russia Wants To Fight Pirates In Somali WatersPublisher: Radio Free Europe/Radio Liberty | Note: Supports 2008 Somali Piracy / Operation Atalanta direct conflict-use context: Reuters/RFE-RL reported that Russia sent Neustrashimy to the Gulf of Aden to combat piracy and seek authority for anti-piracy action in Somali waters. | Accessed: 2026-07-01NEUSTRASHIMY class frigate.jpgPublisher: Wikimedia Commons | Note: Supports the primary image provenance and public-domain licensing for the Neustrashimy lead ship photo. | Accessed: 2026-07-01Frigate Neustrashimy (FF 712) 188.jpgPublisher: Wikimedia Commons | Note: Supports the gallery image provenance and Creative Commons licensing context for the Ministry of Defence ship photo. | Accessed: 2026-07-01Yaroslav Mudry in SPb.jpgPublisher: Wikimedia Commons | Note: Supports the gallery image provenance and Creative Commons licensing context for the class's second completed ship. | Accessed: 2026-07-01