Authentic Russian Cold War Submarine

Built:

1972

Russian Designator:

Project 641

NATO Designator:

Foxtrot-Class

Manufacturer's Number:

b-427

Decommissioned:

1994

Length:

299 feet, 6 inches

Beam:

24 feet, 7 inches

Draft:

20 feet

Displacement:

1,952 tons surfaced, 2,475 tons submerged

Built:

Sudomekh Shipyard, Leningrad

Construction:

3/8 inch outer light hull comprising ballast tanks. 7/8 inch QT28 Nickel Steel pressure hull.

Complement:

12 officers, 10 midshipmen, 56 seamen

Maximum Diving Depth:

985 feet

Speed:

16 knots surfaced, 15 knots submerged, 9 knots snorkeling

Range:

20,000 miles surfaced at 8 knots 11,000 miles snorkeling 380 miles submerged at 2 knots

Endurance:

3 - 5 days submerged

Propulsion:

3 x Kolomna 2D42M diesel engines, 2,000 hp each. 3 x electric motors; 2 with 1,350 hp and 1 with 2,700 hp. 1 x auxiliary motor with 180 hp. 3 x propeller shafts, each with 6 bladed propellers.

Torpedoes:

22 maximum

Radar:

Surface search: Snoop Tray; I band.

Sonar:

Herkules medium-frequency active/passive. Feniks passive search/attack. funnels and were electrically operated.

Electronic warfare:

Stop Light, Radar Warning. Quad Loop Directional Finder.