Steregushchiy-class corvette (Project 20380)

Posted by: Andrei Dcs

Steregushchiy class is a class of Russian-designed corvettes built for the Russian Navy.

The Steregushchiy corvette was designed by the Almaz Central Marine Design Bureau based in Saint Petersburg, Russia.

Steregushchiy class corvettes are built by the Severnaya Verf of Saint Petersburg and by Amur Shipyard.

Steregushchiy class corvettes are preceded by Grisha class corvettes and succeeded by the Gremyashchiy class corvettes.

There are three subclasses of the Steregushchiy-class: the Project 20382 Tigr for the export market, and two other, the Project 20385 and Project 20386 for the domestic market.

Cost of the Steregushchiy class corvettes

The estimated cost of the Project 20382 Tigr, the export variant of the Steregushchiy class is between US$120 and US$150 million.

Steregushchiy class displacement and dimensions

Steregushchiy is a class of guided missile corvettes with a standard displacemnt of 1,800 tons and a full displacement of 2,200 tons.

The Project 20385 subclass has a full displacement of 2,500 tons.

A Steregushchiy class corvette, and has a length of 104.5 m (343 ft), an overall beam of 13 m (43 ft), and a draught of 3.7 m (12 ft).

Propulsion used by the Steregushchiy class corvettes

The Steregushchiy corvettes use a 2 shaft CODAD-type of propulsion system.

They are powered by four Kolomna 16D49 diesel engines generating 23,664 hp (17.6 MW).

They also have four 630 kW diesel generators with a total installed power of 2,520 kW.

Speed and range of the Steregushchiy class corvette

The Steregushchiy class corvette has a maximum speed of 27 knots (50 km/h; 31 mph).

It can reach a maximum operational range of 3,800 nautical miles (7,000 km; 4,400 mi) when navigating at a constant speed of 14 knots (26 km/h; 16 mph).

A Steregushchiy surface combatant has an endurance of 15 days.

Complement of the Steregushchiy class corvette

Each Steregushchiy-class unit has a complement of 90 members.

Sensors and processing systems installed on Steregushchiy class corvettes

Steregushchiy is equipped with a Furke 2 air search radar.

Export variants use either the Furke-E, the Positiv-ME1, or the SMILE Thales radars.

The surface search radar is a Granit Central Scientific Institute Garpun-B/3Ts-25E/PLANK SHAVE radar.

The onboard sensors are completed by the Monument targeting radar and by the Ratep 5P-10E Puma fire control radar for A-190 main naval gun.

For anti-submarine warfare, Steregushchiy is fitted with the Zarya-M bow mounted sonar and the Vinyetka low frequency active/passive towed array sonar.

The export variants use the Zarya-ME bow mounted sonar suite.

The navigation system used by Steregushchiy is the Gorizont-25 integrated navigation system.

Electronic warfare & decoys installed on the Steregushchiy class

Steregushchiy corvettes are equipped with the TK-25E-5 ECM electronic warfare (EW) suite and have four PK-10 decoy launchers as countermeasures.

Armament of the Steregushchiy class corvettes

Steregushchiy corvettes use either the 100 mm A-190 Arsenal or the 130 mm A-192 as main naval guns.

The Project 20380 Steregushchiy subclass is equipped with the Kashtan CIWS-M.

For naval warfare, Steregushchiy units have at their disposal a total of eight Kh-35 (SS-N-25) anti-ship missiles.

Project 20381 units are fitted with a 12-cell vertical launch system (VLS) hosting Redut interceptors.

Two AK-630 CIWS systems are also installed aboard the ships.

For anti-submarine warfare, Steregushchiy ships are fitted with two qvadruple 330mm torpedo tubes for Paket-NK anti-torpedo and anti-submarine torpedoes.

The export variants use the Paket-NK/E torpedoes.

Two 14.5 mm MTPU pedestal heavy machine guns are also installed on each Steregushchiy warship.

Aircraft facilities on Steregushchiy class

Steregushchiy corvettes have a hangar that can host a Ka-27 Helicopter.

Subsequently, they also have a helipad and a launch pad for the Orlan-10 UAV.