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Kalvari-class submarine

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Title: Kalvari-class submarine  
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Subject: List of ships of the Indian Navy, Kalvari-class submarines, INS Subhadra (P51), Kumbhir-class tank landing ship, ABG-class Cadet Training Ship
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Kalvari-class submarine

INS Kursura (S20)
Class overview
Name: Kalvari-class
Builders: Sudomekh, Admiralty Shipyard
Operators:  Indian Navy
In commission: 1967–2003[1]
Completed: 4
Active: 0
Retired: 4
Preserved: 1
General characteristics
Type: Submarine
Displacement: 1,950 t (1,919 long tons) surfaced
2,475 t (2,436 long tons) submerged
Length: 91.3 m (299 ft 6 in)
Beam: 7.5 m (24 ft 7 in)
Draught: 6 m (19 ft 8 in)
Speed: 16 knots (30 km/h; 18 mph) surfaced
15 knots (28 km/h; 17 mph) submerged
Range: 20,000 mi (32,000 km) at 8 kn (15 km/h; 9.2 mph) surfaced
380 mi (610 km) at 10 kn (19 km/h; 12 mph) submerged
Test depth: 250 m (820 ft)
Complement: 75 (incl 8 officers)
Armament: • 10 533mm torpedo tubes with 22 SET-65E/SAET-60 torpedoes
44 mines in lieu of torpedoes

Kalvari-class submarines were the first submarines inducted into the Indian Navy. They were variants of the early Soviet Foxtrot-class submarines. Four of the class served in the Indian Navy. Four additional variants of the later Foxtrot-class were inducted as the Vela-class.

INS Kursura (S20) has been preserved as a museum on Ramakrishna Mission Beach in Vishakhapatnam.[2] The sail of the lead vessel, INS Kalvari is also on display at the Vishakhapatnam city museum.

Ships of the class

Name Pennant Builder Commissioned Decommissioned Status
INS Kalvari S23 Sudomekh 8 December 1967 31 May 1996 Sail on display
INS Khanderi S22 Sudomekh 6 December 1968 18 October 1989 Sail on display
INS Karanj S21 Sudomekh 4 September 1969 1 August 2003
INS Kursura S20 Sudomekh 18 December 1969 27 September 2001 As a museum


  1. ^ :: NAVY - Kalvari Class (Foxtrot Class)
  2. ^ Indian Navy

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