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Jakarta, CNBC Indonesia – About 4 months before delivery to the Ministry of Defense, the Alugoro submarine built by PT PAL Indonesia is still being tested. The exam stages must be passed before they are actually declared “passed.”
The latest development of the submarine testing process made in Indonesia was only tracked in late July 2020, after which the development was kept silent without a trace.
In an official statement, PT PAL Indonesia, on July 30, 2020, at 09.00 WIB, the Alugoro Submarine (Kasel) completed the dry dock work at Graving Dock Irian PT PAL Indonesia (Persero).
Also, after the logistics supply process at the PT PAL Indonesia (Persero) submarine pier, Kasel Alugoro will depart along the Madura Strait, the Java Sea, and then head to the waters of Banyuwangi to go through the advanced phase . Sea acceptance test (HE SAT).
 Photo: Alugoro Submarine. (IG: @k Kementerianbumn)Alugoro submarine. (IG: @k Kementerianbumn) |
The dry dock process that keeps the submarine clean is expected to achieve optimal results for the implementation of the next phase of the SAT, one of which is the implementation Indiscretion rate (GO).
This process is a very important part for a submarine, because it involves the ‘stealth’ side of the submarine. IR is the ratio of the time it takes for the submarine to charge the battery on the surface when the diesel is turned on, especially in diesel-electric type submarines. The longer it is on the surface when charging the battery or the higher the ratio, the easier the sub will be to detect for the opponent.
The Alugoro submarine has previously successfully undergone another SAT process, namely the Tactical Diving Depth Test (TDD) stage at a depth of 310.8 meters in the northern waters of the island of Bali on Wednesday 4 March 2020. The Alugoro submarine has also successfully conducted a nominal dive depth (NDD) 250 meters on January 20, 2020. NDD and TDD are also part of the 53 sea acceptance test (SAT) elements of a submarine
Since the SAT phase for the IR test, PT PAL has not provided any official information on the progress of the Alugoro Submarine test. As planned, this submarine should have been presented to the Ministry of Defense in December 2020. PT PAL Indonesia was asked for a response on the latest developments in the Alugoro submarine testing process.
“The information related to this is very strategic. As for the development plan, it cannot be transmitted, for fear that if the information is disseminated from the parties, for example from other countries to find out more details, it could leak,” he said. the Head of the Public Relations Department of PT PAL Indonesia (Persero) Utario Esna Putra. to CNBC Indonesia long time.
If all these processes pass, then Indonesia is successful in building submarines, making Indonesia the only country in the Southeast Asian region that is capable of building submarines.
The Alugoro submarine has specifications for a length of 61.3 meters, a maximum dive speed of 21 knots and a maximum surface speed of 12 knots. The Alugoro submarine has undergone several testing processes, such as the Harbor Acceptance Test (HAT) and the Sea Acceptance Test (SAT).
The launch and nomenclature of this ship took place on April 11, 2019 at the underwater pier of PT PAL Indonesia (Persero). The production process takes up to 4 years. On April 6, 2015, the pioneer of subsea infrastructure development was started at PT PAL Indonesia (Persero).
This submarine is a U209 / 1400 Diesel Electric Submarine (KSDE U209 Chang Bogo Class) commissioned by the Indonesian Navy as a result of a collaboration between PT PAL Indonesia (Persero) and Daewoo Shipbuilding & Marine Engineering Co., Ltd (DSME) Korea. South, in a transfer scheme. technology.
Indonesia ordered three submarines from DSME, two of which have already been manufactured in South Korea, namely KRI Ardadedali 404 and KRI Nagapasa 403. Meanwhile, the KRI 405 Alugoro was produced at the PT PAL shipyard.
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