KRI Cakra

KRI Cakra at sea
History
Indonesia
NameKRI Cakra
NamesakeWeapon of Batara Wisnu
Ordered2 April 1977
BuilderHowaldtswerke-Deutsche Werft
Laid down25 November 1977
Completed18 March 1981
Identification401
StatusActive
General characteristics
Class & typeCakra-class attack submarine
Displacement
  • 1,285 tons surfaced
  • 1,390 tons dived
Length59.5 m (195 ft 3 in)
Beam6.2 m (20 ft 4 in)
Draft5.4 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
Range8,200 nmi (15,200 km; 9,400 mi) at 8 kn (15 km/h; 9.2 mph)
Endurance50 days
Test depth240 m (790 ft)
Crew6 officers, 28 enlisted
Sensors &
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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