KRI Diponegoro, lead ship of the class
Class overview
NameDiponegoro class
BuildersDamen Schelde Naval Shipbuilding
Operators Indonesian Navy
Preceded by
Succeeded byBung Tomo class
Built2005–2008
In commission2007–present
Planned8[1]
Completed4
Active4
General characteristics (Corvette 9113)
TypeMulti-purpose corvette / frigate
Displacement1,692 tons
Length90.71 m (297 ft 7 in)
Beam13.02 m (42 ft 9 in)
Draft3.60 m (11 ft 10 in)
Propulsion
  • 2 × SEMT Pielstick 20PA6B STC rated at 8910 kW each driving a lightweight Geislinger coupling combination BE 72/20/125N + BF 110/50/2H (steel – composite coupling combination)
  • 4 × Caterpillar 3406C TA generator rated at 350 kW each
  • 1 × Caterpillar 3304B emergency generator rated at 105 kW
  • 2 × shaft with Rolls-Royce Kamewa 5 bladed CP propeller
  • 2 × Renk ASL94 single step reduction gear[2] with passive roll stabilization
Speed
  • Maximum: 28 knots (52 km/h; 32 mph)
  • Cruising: 18 knots (33 km/h; 21 mph)
  • Economy: 14 knots (26 km/h; 16 mph)
Range
  • Cruising speed at 18 kn (33 km/h; 21 mph): 3,600 nmi (6,700 km; 4,100 mi)
  • Economy speed at 14 kn (26 km/h; 16 mph): 4,800 nmi (8,900 km; 5,500 mi)
Complement20, up to 80
Sensors and
processing systems
  • Combat System: Thales Group TACTICOS[3] with 4 x Multifunction Operator Console Mk 3 2H
  • Search radar: MW08 3D multibeam surveillance radar
  • IFF: Thales TSB 2525 Mk XA (integrated with MW08)
  • Navigation radar: Sperry Marine BridgeMasterE ARPA radar
  • Fire control radar: LIROD Mk 2 tracking radar
  • Data Link: LINK Y Mk 2 datalink system
  • Sonar: Thales UMS 4132 Kingklip medium frequency active/passive ASW hull mounted sonar
  • Internal Communications: Thales Communication's Fibre Optical COmmunications Network (FOCON) or EID's ICCS where on-board users have access to internal and/or external communication channels and integrated remote control of communications equipment
  • Satellite Comms: Nera F series
  • Navigation System: Raytheon Anschutz integrated navigation
  • Integrated Platform Management System: Imtech UniMACs 3000 Integrated Bridge System[4]
Electronic warfare
& decoys
  • ESM: Thales VIGILE 100
  • ECM: Racal Scorpion 2L
  • Decoy: TERMA SKWS, DLT-12T 130mm decoy launchers, port, starboard
Armament
Aviation facilitiesLanding pad, optional hangar

The Diponegoro class of guided-missile corvettes of the Indonesian Navy are SIGMA 9113 types of the Netherlands-designed Sigma family of modular naval vessels, named after Indonesian Prince Diponegoro. Currently there are four Diponegoro-class corvette in service.

History

The Indonesian variant is based on the Sigma 9113 design.[5] Work on the first of the class, KRI Diponegoro, began with the first steel cutting conducted in October 2004. The ship was christened on 16 September 2006 and commissioned on 2 July 2007 by Admiral Slamet Soebijanto, Indonesian Navy Chief of Staff.[6]

Options for two other units were exercised in January 2006 with the first steel cut commenced on 3 April 2006[7] in Damen's Schelde Naval Shipbuilding yard, Vlissingen-Oost yard and not in Surabaya stated earlier.

On 28 August 2007, Jane's Missiles and Rockets reported[8] that Indonesia was having problems securing the export license for the MM-40 Exocet block II and are considering Chinese made C-802 anti-ship missiles as alternatives. However, the ships have already been delivered with the Exocet missiles. In 2019 MM40 Exocet Block III were launched from KRI Sultan Iskandar Muda (367).[9]

Modernisation

In early November 2022, PT Len and Thales Nederland has signed a contract to undertake the refurbishment of the integrated mission systems for all four Diponegoro-class ships. These ships will soon be refurbished with an Integrated Missions System including the TACTICOS Baseline 2 Combat Management System, the Naval Smarter (NS) 50 radar, as well as the latest in software-driven radar technology able to combat the highest level of threats.[10][11]

Ships of class

Indonesian Navy / Sigma 9113 design

Name Pennant Laid down Launched Commissioned Notes
KRI Diponegoro 365 24 March 2005 16 September 2006 5 July 2007 Diponegoro, a National Hero from Central Java
KRI Sultan Hasanuddin 366 24 March 2005 16 September 2006 24 November 2007 Sultan Hasanuddin, a National Hero from South Sulawesi
KRI Sultan Iskandar Muda 367 8 May 2006 24 November 2007 18 October 2008 Iskandar Muda, a National Hero from Aceh
KRI Frans Kaisiepo 368 8 May 2006 28 June 2008 7 March 2009 Frans Kaisiepo, a National Hero from Papua and the fourth Governor of Papua

References

  1. ↑ Martadiningrat, Yussuf Solichien (2021). Against All Odds (in Indonesian). Indonesia: Elex Media Komputindo.
  2. ↑ "RENK AG Press Release, September 2006, Diesel Propulsion Drives: When perfection arises from tradition". Renk.de. Retrieved 2016-01-19.
  3. ↑ "Thales to supply key systems for new corvettes Indonesian Navy worth 60m euro". Thales-nederland.nl. Archived from the original on 2012-02-09. Retrieved 2016-01-19.
  4. ↑ "Imtech Naval Projects Reference List" (PDF). Marine.imtech.nl. Archived from the original (PDF) on 2007-09-28. Retrieved 2016-01-19.
  5. ↑ "Indonesian Specifications of the Sigma Class coverttes". Scheldeshipbuilding.com. Archived from the original on 2011-09-28. Retrieved 2016-01-19.
  6. ↑ "ANTARA News: Navy chief takes delivery of corvette made in Netherlands". Antara.co.id. Archived from the original on 2009-04-10. Retrieved 2016-01-19.
  7. ↑ "Two SIGMA 9113 corvettes more for Indonesia" (PDF). Archived from the original (PDF) on October 1, 2006.
  8. ↑ "JMR: Indonesia evaluates C-802". Janes.com. Retrieved 2016-01-19.
  9. ↑ "Kapal Perang TNI Luncurkan Peluru Kendali Exocet MM 40 Block-3". SINDOnews.com (in Indonesian). Retrieved 2021-02-03.
  10. ↑ Staff, Naval News (2022-11-09). "Thales to Upgrade Indonesia's Diponegoro-class Corvette CMS". Naval News. Retrieved 2022-11-13.
  11. ↑ Majumdar, Oishee (21 November 2022). "Thales, PT Len to upgrade Indonesian corvettes". Janes.com. Retrieved 2022-11-22.
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