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The sinking of the Indonesian submarine KRI Nanggala-402 in the waters of the Bali Sea

The sinking of the Indonesian submarine KRI Nanggala-402 in the waters of the Bali Sea
The sinking of the Indonesian submarine KRI Nanggala-402

- Grief has enveloped Indonesia over the sinking of the KRI Nanggala-402 in the Bali sea.

The submarine KRI Nanggala-402 lost contact on Wednesday, April 21, 2021. The Indonesian Navy immediately requested assistance by sending the Distress International Submarine Escape & Rescue Liaison Office (ISMERLO).

The German-made submarine lost contact while conducting training in the waters of the northern island of Bali, carrying a crew of 53 people. After four days of searching, the submarine KRI Nanggala-402 was declared sunk and 53 crew members were declared dead. The news was announced directly by the TNI Commander Marshal Hadi Tjahjanto.

The sinking incident of the KRI Nanggala-402 submarine was the most terrible incident in Indonesia's history. Let us pray that this incident will not happen again and that the families who have been left behind will be given the maximum patience and strength.

The Indonesian Navy and the SAR Team continued to search and ask for help from several countries before they were finally found. It is suspected that the KRI Nanggala-402 submarine sank at a depth of 700 meters.

From the evacuation process, the ROV (Remote Operation Vehicle) rescue ship belonging to the Singapore submarine said that the MV Swift Rescue had found the presence of KRI Nanggala-402 torpedo ammunition. The findings were based on visual results captured by the Kapa Rescue ROV belonging to the Singapore Navy.

Arena KSAL, Rear Admiral TNI Muhammad Ali in a press conference held at Headquarters, Jakarta on Tuesday (27/04/2021) said that "We have found and lifted the ROV, namely the hydrophone from the KRI Nanggala submarine then some photos were taken, and then also found the torpedo ".

The officers are currently still trying to evacuate, but this evacuation will be carried out in stages. This is because the ROV itself is only able to lift a load of about 150 kilograms.



Malaysia sent the submarine MV Mega Bakti to help carry out the search. This ship weighs about 1,962 tons with a length of 79.65 meters and a width of 17 meters with a speed of 15.7 knots


Sent the submarine MV Swift Rescue to help search for the submarine KRI Nanggala-402. This ship has a length of up to 85 meters, a beam of 18 meters, weighs 4,300 tons, and is capable of being at sea for 4 weeks


Sent two warships namely HMAS Ballarat and HMAS Sirius. HMAS Ballarat is an Anzac class frigate equipped with sonar capability and MH-60R helicopters on board. Meanwhile, the Sirius support vessel can refill the ship with fuel, water, and supplies during the day and night.


India also sends a Deep Submergence Rescue Vessel (DSRV), which can detect ships up to 1,000 meters deep in the sea with Side Scan Sonar (SSS) and Remotely Operated Vehicle (ROV) capabilities.


The United States sends P-8 Poseidon aircraft specially designed for hunting submarines and has a range of up to 1,200 nautical miles and sonobuoy launchers in one flight to detect submarines.

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