Vela-class submarine

Vela-class submarines of the Indian Navy were variants of the later Soviet Foxtrot-class submarines. The last of the class was decommissioned from the Indian Navy in December 2010. The submarines formed the 8th Submarine Squadron and were based at INS Virbahu.^[3]

A variant of the Foxtrot-class submarine of the Indian Navy
Class overview
Name	Vela class[1]
Builders	Sudomekh, Admiralty Shipyard
Operators	Indian Navy
Preceded by	Kalvari class
Succeeded by	Sindhughosh class Shishumar class
In commission	1973–2010[2]
Planned	4
Completed	4
Retired	4
General characteristics
Type	Submarine
Displacement	1,952 t (1,921 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 knots (15 km/h; 9.2 mph) surfaced 380 mi (610 km) at 10 knots (19 km/h; 12 mph) submerged
Test depth	250 m (820 ft)
Complement	75 (incl 8 officers)
Sensors and processing systems	Panchendriya sonar
Armament	10 533mm torpedo tubes with 22 SET-65E/SAET-60 torpedoes 44 mines in lieu of torpedoes

INS Vagli is planned to be preserved as a museum in Tamil Nadu, though the process has been plagued with issues and is currently on hold.^[4]

Ships of the class

Name	Pennant	Builder	Commissioned	Decommissioned	Status
INS Vela	S40	Sudomekh	31 August 1973	25 June 2010
INS Vagir	S41	Sudomekh	3 November 1973	7 June 2001
INS Vagli	S42	Sudomekh	10 August 1974	9 December 2010	To be preserved as a museum[5]
INS Vagsheer	S43	Sudomekh	26 December 1974	30 April 1997