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Project 11451 Sokol-2 Mukha Class

Since the 1980s the company built the small submarine chaser hydrofoil "Sokol". The full displacement is 500t, the maximum speed is 60 knots, cruising speed is 50-55 knots. Armament - one 76 mm caliber gun mount, one - of 30 mm, anti-aircraft "Igla-1" launcher and two torpedo-tubes. The cruising range is about of 1200 miles.

Such vessels have no analogue in the world by its technical level and tactical features and can be used for fighting with high speed submarines in heavy sea. For the first time developed antisubmarine armament system on such vessels. Destination of this system is to coordinate vessels  in searching and attack and to control shooting by above-water and under­water aims.

Corvette U201 Lviv has a factory readiness of over 95% and U203 «Lugansk» has a readiness of over 60% continue to held at UES Morye [Sea]. Due to termination of State funding, construction of the ships was suspended, but their fate remains uncertain. According to some reports, construction of the ships was completed and was expected to sell them to the Government of Russia.

Armament:

• One automatic artillery unit with calibre 76 mm.
• One automatic artillery unit with calibre 30 mm.
• Two four-tube torpedo units.
• Portable missile launcher.
• Automatic firing control system 1 set.
• Hydroacoustic detection station.

Communication:

1. Automatic communication system
2. Additionally can be installed:

• all-wave receiver “Brygantina” - for obtaining metrological information;
• navigational receiver CH - 3101 - for determination of position of vessel, speed, track angle and current time by radio signal CHC Glonas and GPS NAVSTAR.

Hull / superstructure material:

• Body - Marine grade aluminum alloy.
• Material of wings - special alloy.

accommodation of crew:

• one-man captain cabin;
• two double officers cabins;
• one six-man midshipmen cabin and one double;
• two crew quarters.

Control system:

Automatic combined system for control:

• main power plant;
• power electricity plant;
• hull systems;
• stabilization of movement. 

navigation system:

• For maritime safety:
• navigation system;
• log;
• echo-sonar device;
• magnetic compass;
• dead reckoning tracer;
• automatic radio direction-finder station;
• central gyroscopic system.

naval facility:

• steering arrangement;^
• maneuvering propulsion device;
• sliding steering columns;
• mooring and towing arrangements;
• anchor (handling) gear;
• life-saving appliance (inflatable rafts for. 10 persons) - 4 sets;
• personal life saving equipment for each person;
• life line;

naval systems:

• draining system;
• domestic water supply;
• deck drain system;
• ventilation;
• conditioning system;
• resistance heating system;
• steam heating;
• cold store system;
• compressed air system;
• degasation system;
• firefighting system. 

Main technical information of hydro acoustic station:

• detection range   40 - 45 km;
• max. working depth of dipping sonar not more than 200 m;
• crew 1 pers.;
• time for operational readiness 5 min.