Indonesia Launches Third Nagapasa-Class Diesel Electric Attack Sub

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Indonesia Launches Third Nagapasa-Class Diesel Electric Attack Submarine
The first locally assembled Nagapasa-class sub was launched on April 11.
By Franz-Stefan Gady
April 11, 2019
Indonesia launched its third Type 209/1400 Nagapasa-class (Chang Bogo-class) diesel-electric attack submarine (SSK) for the Indonesian Navy (Tentara Nasional Indonesia – Angkatan Laut) on April 11, according to local media reports.

The launching ceremony of the KRI Alugoro (405) SSK took place at the Indonesian state-owned shipbuilder PT PAL shipyard in Surabaya, Indonesia’s second-largest city, located on the northeastern coast of Java island. The ceremony was attended by a host of dignitaries, including Indonesian Defense Minister Ryamizard Ryacudu.
KRI Alugoro is the first-ever submarine to be assembled locally at the PT PAL shipyard in Surabaya.


“Not every country can produce submarines,” Ryacudu said in his remarks. “In the ASEAN region, only Indonesia has been able to do so. We can already make them.” The defense minister added that the new submarine features some of the latest undersea warfare technologies. He also expressed his hopes that Indonesia will be able to export submarines in the future.

The submarine was originally scheduled for launch in October 2018. However, the SSK had to be moved to an alternative launch site following the discovery that the original location has become too shallow for the submarine owing to sedimentary deposits, IHS Jane’s reported in March.

Indonesia and South Korea signed a $1.1 billion contract for three Nagapasa-class SSKs in December 2011 as part of the Indonesian Ministry of Defense’s 2024 Defense Strategic Plan, which calls for the procurement of at least 10 SSKs for the Indonesian Navy.

The first two SSKs of the class were built by South Korean defense contractor Daewoo Shipbuilding and Marine Engineering (DSME), while the third boat was assembled with the support of South Korean engineers as part of a technology transfer program. PT PAL received the different submarine modules from South Korea in December 2016 and subsequently began the assembling process.

The first-of-class SSK, KRI Nagapasa (403), was commissioned in August 2017 in South Korea and is now homeported at the Palu Naval Base in the Watusampu province of Central Sulawesi. The second SSK, KRI Ardadedali (404), was delivered to the Indonesian Navy last year. The three submarines are slated to remain in service with the Navy for 30 years. As I wrote in February:
The Type 209/1400 [Nagapasa-class] SSK is a license-built variant of the German Type 209 submarine produced by DSME. The 1,400-ton SSK class has an operational range of around 11,000 nautical miles and has an endurance of about 50 days. The sub is a multipurpose platform capable of conducting anti-surface warfare, anti-submarine warfare, and special forces missions. The SSK can be armed with heavyweight torpedoes, anti-ship missiles, and mines.
According to Indonesian naval planners, the Navy needs at least 12 operational submarines to fulfill its core mission of protecting Indonesian territorial waters. Jakarta and Seoul are reportedly close to signing a follow-up order for three Nagapasa-clas SSKs. A contract is expected to be signed in the coming days.

 

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Indonesia signs USD1 billion contract for three follow-on SSKs to Nagapasa class
Ridzwan Rahmat, Singapore - Jane's Navy International
12 April 2019


A cross-section model of the Nagapasa (Type 209/1400) submarine. Indonesia has signed a contract for three follow-on vessels to the class. Source: IHS Markit/Ridzwan Rahmat

Key Points
  • Indonesia has signed a USD1 billion contract with South Korean shipbuilding company DSME for three more diesel-electric submarines
  • The Indonesian shipbuilder PT PAL will play a larger role in the construction of these vessels
The Indonesian Ministry of Defence has signed a USD1 billion contract with South Korean shipbuilder Daewoo Shipbuilding and Marine Engineering (DSME) for three Type 209/1400 diesel-electric submarines (SSKs). The contract was signed on 12 March in Bandung, West Java.

The vessels will be a follow-on to the country’s Nagapasa class, the contract for which was also awarded to DSME in 2011. Two submarines under this earlier contract have been commissioned by the Indonesian Navy (Tentara Nasional Indonesia – Angkatan Laut: TNI-AL), while a third was launched at PT PAL’s premises in Surabaya on 11 March.

Industry sources, who have been updating Jane’s on the progress of the negotiations for the follow-on SSKs since early January 2019, have also confirmed that PT PAL will take on larger workshare roles in this new deal with DSME as part of a technology transfer programme.

For the first vessel under the new contract, which will be the fourth-in-class overall, two of the SSK’s six modules will be constructed by PT PAL in Surabaya, while DSME will build the remaining four in South Korea. The Indonesian-built modules will be shipped to Okpo for assembly.

For the second submarine, which will be the fifth-in-class overall, PT PAL will construct four of the six modules in Surabaya, with DSME constructing the remaining two in Okpo. As with the first vessel, modules that have been constructed in Surabaya by PT PAL will be shipped to South Korea for final assembly.

For the third vessel in the contract, which will be the sixth-in-class overall, PT PAL initially proposed to build the entire submarine.

 

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HDW Class 209/1400

The HDW Class 209/1400mod submarine is the most recent version of this legendary family of 63 boats contracted to 14 navies.

ike all its predecessors, HDW Class 209/1400mod is a compact and reliable submarine featuring the most recent technology, high combat strength, an extraordinary battery payload and low signatures. Its extensive mission profiles include maritime defense, conflict prevention, surveillance and intelligence-gathering tasks as well as special forces operations. Thanks to the large number of orders for this class of submarine every new contract has profited from the latest R&D findings, with tried-and-tested improvements incorporated into the next project without delay.

Technical Data
LOA~ 62 m
Pressure hull ø~ 6.2 m
Surface displ.~ 1,450 t
Height incl. sail~ 12.5 m
Weapon tubes 8
Crew30

 

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Indonesia Launches Third Nagapasa-Class Diesel Electric Attack Submarine
The first locally assembled Nagapasa-class sub was launched on April 11.
By Franz-Stefan Gady
April 11, 2019
Indonesia launched its third Type 209/1400 Nagapasa-class (Chang Bogo-class) diesel-electric attack submarine (SSK) for the Indonesian Navy (Tentara Nasional Indonesia – Angkatan Laut) on April 11, according to local media reports.

The launching ceremony of the KRI Alugoro (405) SSK took place at the Indonesian state-owned shipbuilder PT PAL shipyard in Surabaya, Indonesia’s second-largest city, located on the northeastern coast of Java island. The ceremony was attended by a host of dignitaries, including Indonesian Defense Minister Ryamizard Ryacudu.
KRI Alugoro is the first-ever submarine to be assembled locally at the PT PAL shipyard in Surabaya.


“Not every country can produce submarines,” Ryacudu said in his remarks. “In the ASEAN region, only Indonesia has been able to do so. We can already make them.” The defense minister added that the new submarine features some of the latest undersea warfare technologies. He also expressed his hopes that Indonesia will be able to export submarines in the future.

The submarine was originally scheduled for launch in October 2018. However, the SSK had to be moved to an alternative launch site following the discovery that the original location has become too shallow for the submarine owing to sedimentary deposits, IHS Jane’s reported in March.

Indonesia and South Korea signed a $1.1 billion contract for three Nagapasa-class SSKs in December 2011 as part of the Indonesian Ministry of Defense’s 2024 Defense Strategic Plan, which calls for the procurement of at least 10 SSKs for the Indonesian Navy.

The first two SSKs of the class were built by South Korean defense contractor Daewoo Shipbuilding and Marine Engineering (DSME), while the third boat was assembled with the support of South Korean engineers as part of a technology transfer program. PT PAL received the different submarine modules from South Korea in December 2016 and subsequently began the assembling process.

The first-of-class SSK, KRI Nagapasa (403), was commissioned in August 2017 in South Korea and is now homeported at the Palu Naval Base in the Watusampu province of Central Sulawesi. The second SSK, KRI Ardadedali (404), was delivered to the Indonesian Navy last year. The three submarines are slated to remain in service with the Navy for 30 years. As I wrote in February:

According to Indonesian naval planners, the Navy needs at least 12 operational submarines to fulfill its core mission of protecting Indonesian territorial waters. Jakarta and Seoul are reportedly close to signing a follow-up order for three Nagapasa-clas SSKs. A contract is expected to be signed in the coming days.

 

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