Strength hull and outer casing, superstructures, all main and auxiliary mechanisms, equipment and armament are the same as they were when the submarine was retired from the Navy.

The History of the Russian Undersea Fleet exposition is currently located on board.

Ship characteristics

The submarine is divided into seven compartments: a fore torpedo compartment; a fore accumulator and harbour compartment; a central post; a stern accumulator and harbour compartment; a diesel compartment; an electromotive compartment and a stern and harbour compartment. Commander’s and officers’ cabins, officers’ mess-room and a sonar control room are located in the second compartment; officers’ and warrant officers’ cabins, a petty officers’ mess-room and a caboose are located in the fourth compartment; sailors’ berths, survival kits and an escape hatchway are located in the seventh compartment.

General figures:
- Length – 91.3 m
- Width – 8.5 m
- Draught - 5 m
- Ship endurance - 90 days
- Surface cruising speed - 8 knots - 30 000 miles
- Crew - 80 persons: officers - 13, warrant officers - 11, petty officers - 16, sailors - 40

Displacement:
- Surface mode - 1945 t
- Submergence mode - 2472 t 

Diving depth:
- Maximal - 400 m
- Operating - 250 m
- Periscopical - 9 m

Maximal speed:
- Surface mode - 16,8 knots
- Submergence mode - 16 knots

Armament:
- Six 533 mm forward torpedo tubes
- Four 533 mm stern torpedo tubes

Weapons load:
- Torpedo mode
- 22 torpedoes
- Mine mode - 22 mines and 12 torpedoes
- Firing depth – up to 100 m