KRI Nagapasa (403)
History
Indonesia
NameKRI Nagapasa
NamesakeNagapasha
Ordered21 December 2011
Awarded$1.1 billion for 3 submarines to Daewoo Shipbuilding & Marine Engineering
Laid down9 April 2015
Launched24 March 2016
Commissioned2 August 2017
Identification403
StatusActive
General characteristics
Class and typeNagapasa-class submarine
Displacement1,400 tons
Length61.3 m (201 ft 1 in)
Beam6.3 m (20 ft 8 in)
Draft5.5 m (18 ft 1 in)
Propulsion
  • 4 x MTU 12V493 diesel generators
  • 3,700 kW (5,000 shp)
Speed
  • 11 knots (20 km/h; 13 mph) surfaced
  • 21.5 knots (39.8 km/h; 24.7 mph) submerged
Range
  • 11,000 nmi (20,000 km; 13,000 mi) at 10 kn (19 km/h; 12 mph) surfaced,
  • 8,000 nmi (15,000 km; 9,200 mi) at 10 kn (19 km/h; 12 mph) snorkeling,
  • 400 nmi (740 km; 460 mi) at 4 kn (7.4 km/h; 4.6 mph), submerged
Endurance50 days
Test depth500 m (1,600 ft)
Complement40 crew
Sensors and
processing systems
  • Kongsberg MSI-90U Mk 2 combat management system
  • Atlas Elektronik CSU-90 active and passive sonar
  • Wärtsilä ELAC KaleidoScope sonar suite 
  • Flank sonar arrays
  • Pegasso RESM system
  • Aries radar
  • ECPINS-W integrating navigation and tactical systems 
  • L3's MAPPS integrated platform management system
  • Safran's Sigma 40XP inertial navigation systems
  • Hensoldt SERO 400 & OMS 100 periscope
  • ZOKA acoustic torpedo countermeasures 
Armament

KRI Nagapasa (403) is a submarine of the Indonesian Navy. She is the lead ship of the Nagapasa-class submarines of the Indonesian Navy that are an upgraded variant of Korea's Chang Bogo class. The vessel was built by the South Korean Daewoo Shipbuilding & Marine Engineering (DMSE) and was commissioned in August 2017. She is one of three submarines purchased for a total of $1.1 billion ($350m per submarine) from Korea.[1]

Specifications

Nagapasa-class diesel-electric submarines, including Nagapasa herself, are 61.3 metres (201 ft 1 in) long and 7.6 metres (24 ft 11 in) wide, with a displacement of 1,400 tonnes and a submerged speed of 21 knots (39 km/h; 24 mph).[2] The vessel has a maximum operating range of 10,000 nautical miles (19,000 km).[3]

Equipment

Nagapasa is equipped with Black Shark torpedoes manufactured by Italian Whitehead Sistemi Subacquei, which has a speed of 50 knots (93 km/h; 58 mph) and a range of 50 kilometres (31 mi), and utilizes the Kongsberg MSI-90U Mk 2 Combat Management System and the Wärtsilä ELAC KaleidoScope sonar suite (consisting of a cylindrical array, a flank array, an acoustic intercept sonar and a mine avoidance sonar). For navigation, the vessel uses the Sagem Sigma 40 XP inertial navigation system and the ECPINS-W Integrating Navigation and Tactical Systems from OSI Maritime Systems.[4]

Nagapasa's periscope is a combination of the Hensoldt Sero 400 and OMS 100.[5] Submarines of the class also possess ZOKA acoustic torpedo countermeasures manufactured by Turkish company ASELSAN.[6]

Service history

The submarine was ordered on 21 December 2011 as part of a US$1.07 billion contract between Indonesia and South Korea to provide three submarines, with Daewoo Shipbuilding & Marine Engineering being awarded the contract.[7] A keel laying ceremony was held on 9 April 2015 and the vessel was launched on 24 March 2016, followed by a year-long crew training and sea trials.[2]

The vessel was commissioned by Indonesian Minister of Defense Ryamizard Ryacudu in South Korea on 2 August 2017. Afterwards, the submarine sailed to Surabaya, where she was received by Chief of Staff of the Navy Ade Supandi on 28 August 2017.[8] Her name is based on the Nagapasha, a mythical weapon in the Ramayana.[9] Nagapasa was then assigned to the Indonesian Navy Eastern Fleet Command (Koarmatim).[10]

Shortly after Nagapasa's commissioning, she experienced power shortages and required a battery replacement.[11]

See also

References

  1. ↑ "Meet Nagapasa 403, Indonesia's Newest Submarine | Seasia.co". Good News from Southeast Asia. Retrieved 2020-02-25.
  2. 1 2 "Kapal Selam Nagapasa-403 Perkuat Armada TNI AL". JPNN (in Indonesian). 3 August 2017. Archived from the original on 19 April 2019. Retrieved 19 April 2019.
  3. ↑ "Indonesia's first Type 209/1400 submarine KRI Nagapasa arrives from South Korea". Naval Today. 29 August 2017. Archived from the original on 24 March 2019. Retrieved 19 April 2019.
  4. ↑ "Ini Deretan Kecanggihan Persenjataan dan Navigasi KRI Nagapasa-403". Jawa Pos (in Indonesian). 28 August 2017. Archived from the original on 19 April 2019. Retrieved 19 April 2019.
  5. ↑ Scott, Richard (9 November 2018). "Charting new waters [ID18D3]". Jane's 360. Archived from the original on 19 April 2019. Retrieved 19 April 2019.
  6. ↑ Rahmat, Ridzwan (14 March 2019). "Indonesia to receive ZOKA torpedo countermeasures for Nagapasa submarines". Jane's 360. Archived from the original on 19 April 2019. Retrieved 19 April 2019.
  7. ↑ "Indonesia Pesan Tiga Kapal Selam Baru dari Korea Selatan". Intelijen (in Indonesian). 24 December 2011. Archived from the original on 16 April 2019. Retrieved 16 April 2019.
  8. ↑ "Kapal Selam Nagapasa Tiba di Dermaga Surabaya". Berita Satu (in Indonesian). 28 August 2017. Retrieved 1 September 2021.
  9. ↑ "Ini Harga dan Kisah di Balik Nama KRI Nagapasa-403". Jawa Pos (in Indonesian). 28 August 2017. Archived from the original on 19 April 2019. Retrieved 19 April 2019.
  10. ↑ "Ini Alasan KRI Nagapasa-403 Ditempatkan di Armatim". Jawa Pos (in Indonesian). 28 August 2017. Archived from the original on 16 April 2019. Retrieved 16 April 2019.
  11. ↑ "Kapal Selam Anyar Kurang Tenaga, Baterai KRI Nagapasa Diganti". Tribunnews.com (in Indonesian). 31 October 2017. Archived from the original on 16 April 2019. Retrieved 16 April 2019.
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