Indonesia races to find missing submarine with 53 aboard

Indonesia's missing KRI Nanggala 402 submarine is shown in a file photo from 2017. AFP

BALI - Indonesian warships led the hunt for a submarine that went missing with 53 crew aboard and only enough oxygen for a few days.

An oil spill where the submarine was thought to have submerged early Wednesday pointed to possible damage to its fuel tank, and fanned fears of a deadly disaster.

The crew on the KRI Nanggala 402 could have enough oxygen until early Saturday, but time was quickly running out as rescuers scoured the coast off holiday island Bali where it disappeared.

"The submarine's oxygen reserve capacity in a blackout is 72 hours," Navy Chief of Staff Yudo Margono told reporters.

"There's time until Saturday around 3am. Let's hope we can find them before then."

However, defence analysts have warned that the vessel could have broken into pieces if it had sunk to depths believed to be as much as 700 metres.

Australian Defence Minister Peter Dutton said initial reports raised the prospect of "a terrible tragedy". 

The German-built submarine was scheduled to conduct live torpedo exercises when it asked for permission to dive. It lost contact shortly after.

Navy spokesman Julius Widjojono said that search teams were focused on an area around the oil slick, but that the exact location of the vessel had yet to be pinpointed.

Six warships and a helicopter have been sent to look for the sub, the navy said.

The military has so far refused comment about whether the submarine, carrying 53 crew, was over capacity.


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