KRI Cakra (401)

	KRI Cakra at sea
History
Indonesia
Name	KRI Cakra
Namesake	Weapon of Batara Wisnu
Ordered	2 April 1977
Builder	Howaldtswerke-Deutsche Werft
Laid down	25 November 1977
Completed	18 March 1981
Identification	401
Status	Active
General characteristics
Class and type	Cakra-class attack submarine
Displacement	1,285 tons surfaced; 1,390 tons dived;
Length	59.5 m (195 ft 3 in)
Beam	6.2 m (20 ft 4 in)
Draft	5.4 m (17 ft 9 in)
Propulsion	4 x MTU 12V493 AZ80 GA31L diesel engines rated at 1.8 MW (2,400 hp); 4 x Siemens alternators rated at 2,300 hp (1.7 MW); 1 x Siemens motor rated at 3.4 MW (4,600 hp); 1 x shaft;
Speed	11 knots (20 km/h; 13 mph) surfaced; 21.5 knots (39.8 km/h; 24.7 mph) submerged;
Range	8,200 nmi (15,200 km; 9,400 mi) at 8 kn (15 km/h; 9.2 mph)
Endurance	50 days
Test depth	240 m (790 ft)
Crew	6 officers, 28 enlisted
Sensors and ; processing systems	Signaal Sinbad weapons control system; Thomson-CSF Calypso, I-band surface search radar ; Atlas Elektronik CSU 3-2 active/passive search and attack sonar ; PRS-3/4 passive ranging;
Electronic warfare ; & decoys	ESM: Thomson-CSF DR2000U
Armament	8 × 533 mm (21 in) bow tubes; 14 x AEG SUT torpedoes;

KRI Cakra (401) is the lead vessel of the two-member Cakra class of diesel-electric attack submarines operated by the Indonesian Navy.

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