Tango Class / Project 641B
Attack Submarine

Tango Class Submarine

Russian Designation:  Project 641B (also known as the Som)

Manufacturer:

Gorki Shipyard

Role:

Conventional Attack Submarine

Year Adopted:

1972

Number in Class: 18 Ships
Displacement: 3,000 Tons Surfaced
3,700 Tons Submerged

Operational Status:

Russia - Still in Use
Produced from 1972 to 1982

Armament:

6 x 533mm (21 inch) torpedo tubes in bow
2 x 533mm (21 inch) torpedo tubes in stern
2 x SS-N-15 anti-submarine missiles

18 anti-submarine/anti-ship torpedoes or 36 AMD-1000 mines.

Sensor Suite:

1x 'Snoop Tray' surface search radar
1x Low frequency bow sonar
1x Medium frequency fire control sonar
1x 'Brick Group' passive intercept ESM system

Engine:

3x diesel engines delivering 6000 hp (4474 kW) with two electric motors driving two propeller shafts.

Crew:

60 Officers and Sailors

Length:

301 feet, 8 inches
(92.0 meters)

Draught:

23 feet
(7.0 meters)

Beam:

29 feet, 6 inches
(9.0 meters)

Maximum Speed:

16 knots surfaced
15.5 knots submerged

Operating Depth:

Operational: 300 meters (984 feet)
Maximum: 500 meters (1640 feet)

    

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