S-56 Sindhuvaj

Country:  India

Class, [Type]: Kilo, [SS].

Builder: United Admiralty SY 199, St. Petersburg, Russia.

Launch date: 12 June 1986.

Commission date: 27 July 1986.

Decommission date: 16 July 2022.

Displacement ( tons ): 2.325 surfaced, 3.076 submerged.

Dimensions ( metres ): 74,3 x 10 x 6,6

Main machinery: 2 x Type 4-2DL42M diesels ( 1.825 hp ).

Speed ( knots ): 10 surfaced, 17 submerged.

Range ( miles ): 6.000 at 7 knots surfaced and snorkel, 400 at 3 knots submerged.

Complement: 53 ( 12 officers ).

Missiles:  SAM: 1 x Fasta-4 system ( 8 x 9M-32M Strela-M missiles ).

Torpedoes: 6 x 533mm tubes. 18 x Type E53-777, E53-60, E53-85 and E53-67 torpedoes.

Mines: 24 mines in lieu of torpedoes.

Radar: Navigation/Search: 1 x MRK-50 Albatros (Snoop Tray-2).

Sonar: MGK-400 Rubikon (Shark Gill) LF active/passive suite with passive hull array.

Countermeasures: EW: Brick Pulp or Squid Head ( intercept ).

Comment: Ex - B898. Maximum diving depth is 300m, normal is 240m, periscope is 17.5m. Rubber anechoic hull coating. Propulsion plant suspended for silencing. Said to be improved in quieting over the basic Project 877 version, with improvements suggested by the Indian Navy.

Similar units:

 S55 Sindhugosh
 S62 Sindhuvijay
 B871 Alrosa