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KRI Cakra

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Indonesian Navy Cakra-class submarine
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 and 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 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.

Name

The vessel is named after the Cakra, a weapon in the form of a wheel with teeth resembling spearheads that was owned by Batara Wisnu, a recurring character in wayang puppet theatre.

Construction

KRI Cakra was ordered on 2 April 1977, laid down on 25 November 1977 and completed on 18 March 1981. The vessel was designed by Ingenieurkontor Lübeck of Lübeck, constructed by Howaldtswerke-Deutsche Werft of Kiel, and sold by Ferrostaal of Essen – all acting together as a West German consortium.

Operational history

The two Cakra-class submarines, Cakra and Nanggala, were the only active submarines in the Indonesian Navy between the decommissioning of KRI Pasopati in 1994 and the commissioning of KRI Nagapasa in 2017.

Both Cakra-class vessels underwent major refits at HDW spanning three years from 1986 to 1989. Cakra was refitted again at Surabaya from 1993 to April 1997, including replacement batteries and updated Sinbad TFCS.

Cakra began another refit at Daewoo Shipyard, South Korea in 2004. It was completed in 2005. Work is reported to have included new batteries, overhaul of engines and modernisation of the combat system.

See also

References

  1. ^ Saunders, Stephen, ed. (2009). Jane's Fighting Ships 2009-2010. Jane's Information Group. p. 353. ISBN 9780710628886.
  2. Ridzwan Rahmat (21 April 2021). "Indonesian Navy submarine missing in Bali Sea". Janes.
  3. "Cakra". Wayang Indonesia (in Indonesian). Retrieved 22 April 2021.
  4. Gardiner, Robert; Chumbley, Stephen, eds. (1995). Conway's All the World's Fighting Ships 1947–1995. Annapolis, Maryland, USA: Naval Institute Press. p. 179. ISBN 1-55750-132-7.
  5. Pandia, Agnes Swetta (30 June 1998). "KRI Pasopati, Monumen Keperkasaan di Laut". Kompas. p. 9. Retrieved 22 April 2021.
  6. Erdianto, Kristian (28 August 2017). "Ini Kehebatan Kapal Selam Baru KRI Nagapasa 403 Milik TNI AL". Kompas (in Indonesian). Retrieved 22 April 2021.
  7. "Ramping Tapi Kekar". Tempo. 12 October 1991. Archived from the original on 21 April 2021. Retrieved 22 April 2021.

External links

Cakra-class submarines
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