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Parts of the missing Indonesian submarine which has been found cracked apart on the seafloor in waters off Bali. Photo: AFP

Indonesia confirms submarine wreckage found, 53 crew members dead

  • The KRI Nanggala 402 carrying 53 crew lost contact on Wednesday as it prepared to conduct a torpedo drill
  • Indonesia’s navy said an underwater submarine rescue vehicle supplied by Singapore got visual confirmation the wreckage in three pieces on the seabed
A missing Indonesian submarine has been found cracked apart on the seabed in waters off Bali, the military said on Sunday, as it confirmed that all 53 crew died in the disaster.

Authorities said they received signals from the location more than 800 metres (2,600 feet) deep early on Sunday morning. They had used an underwater submarine rescue vehicle supplied by Singapore to get a visual confirmation of the KRI Nanggala 402.

More parts from the vessel were also retrieved, including an anchor and safety suits worn by crew members, they said.

“There were parts of KRI Nanggala 402 – it was broken into three pieces,” said Navy Chief of Staff Yudo Margono.

Submarine tragedy highlights risks of Indonesia’s underfunded navy, air force

The discovery comes a day after the navy had first confirmed the retrieval of fragments from the submarine, including items from inside the vessel. They had also declared that it had sunk, effectively ending any chance of finding survivors.

Among the earlier items recovered were a piece of the torpedo system and a bottle of grease used to lubricate periscopes. They also found a prayer mat commonly used in Indonesia, the world’s most populous Muslim-majority nation.

Warships, planes and hundreds of military personnel had led a frantic search for the submarine since it disappeared this week during training exercises, hoping for a miracle rescue before its known oxygen reserves ran out.

But on Sunday, Indonesian military head Hadi Tjahjanto confirmed there was no chance of finding any of the crew alive.

“With deep sadness, I can say that all 53 personnel on board have passed,” he told reporters.

Military officials hold an escape suit believed to be from the sunken Indonesian Navy KRI Nanggala-402 submarine, during a media conference in Bali on Sunday. Photo: Reuters

Earlier on Sunday, the relatives of First Lieutenant Muhammad Imam Adi, a 29-year-old father of a young son, clung to hope.

“My wish now is that my son and all the crew can be found,” Adi’s father Edy Sujianto said from his home on Java island. “My son had wanted to become a soldier since he was a child. That was his dream.”

President Joko Widodo described the missing sailors as Indonesia’s “best patriots”.

“All Indonesians convey their deep sadness over this incident, especially to the families of the submarine crew,” he said.

Indonesia confirms missing submarine has sunk, dooming all 53 crew on board

Authorities have not given an official explanation for the accident, but said that the submarine may have suffered a blackout and left its crew unable to resurface.

They discounted an explosion, however, saying on Saturday that the evidence suggested the submarine came apart as it was crushed by water pressure at depths of more than 800 metres – pressure much higher than the German-built Nanggala was built to withstand.

“Submarine hulls are pressurised … but when they’re breached then water would come flooding inside,” said Wisnu Wardhana, a maritime expert at Indonesia’s Sepuluh Nopember Institute of Technology. “Can you imagine if water with that kind of pressure hits people?”

Retired French vice-admiral Jean-Louis Vichot earlier said a submarine’s steel shell could break “like a folding accordion” when it hits depths way beyond its limits.


Indonesia racing to find missing submarine with 53 crew as oxygen soon to run out

Indonesia racing to find missing submarine with 53 crew as oxygen soon to run out

Authorities have warned that any salvage operation would be risky and difficult in the deep waters.

Neighbouring Malaysia, as well as the United States, India and Australia, were among the nations helping in the search.

Search vessels, reconnaissance aircraft and submarine rescue ships had been deployed to scour a zone of about 10 square nautical miles (34 square kilometres).

The submarine – one of five in Indonesia’s fleet – disappeared early on Wednesday while it was scheduled to do live torpedo training exercises off Bali. The crew asked for permission to dive. It lost contact shortly after.

Later, search teams spotted an oil spill where the vessel was thought to have submerged, pointing to possible fuel-tank damage, and a catastrophic accident.

Singapore’s MV Swift Rescue in Indonesia. Photo: Ng Eng Hen Facebook page via AP

Authorities have said that the submarine – delivered to Indonesia in 1981 – was seaworthy. The model has been used by more than a dozen navies around the world. But investigators would look at the Indonesian submarine’s age as a potential factor, analysts have said.

The disaster was among a string of fatal submarine accidents over the past few decades. Among the worst was the 2000 sinking of the Kursk, the pride of Russia’s Northern Fleet.

That submarine was on manoeuvres in the Barents Sea when it sank with the loss of all 118 aboard. An inquiry found a torpedo had exploded, detonating all the others. Most of its crew died instantly but some survived for several days before suffocating.