P-8 Poseidon hunting plane. Photo: The Drive According to the CNN In addition to the US P-8 submarine hunting aircraft, a frigate with sonar scanners and an Australian helicopter are also participating in the search for the Indonesian KRI Nanggala-402 submarine. Meanwhile, deep-sea lifeboats are en route to Indonesia from India and Singapore. Indonesian officials said on Friday that if the submarine was intact and working properly, the sailors would only have enough oxygen to survive until dawn Saturday. “So far, we haven’t found it yet. But with existing equipment, we may be able to locate the submarine, ”Achmad Riad, a spokesman for the Indonesian military, said at a press conference. Submarine KRI Nanggala-402. Photo: USN Collin Koh, an expert at the Indonesian Institute for Strategic and Defense Studies, said that assuming a submarine has enough oxygen for 72 hours is an optimistic statement, as the submarine’s oxygen-generating capacity will be limited during power outages. . “So it’s possible that the oxygen has run out,” Koh said. Experts like Koh said Indonesia will have to expand the search area again if the highly magnetic object proves not to be a ship. Koh also warned that if the submarine falls to “extreme depth”, it will be almost impossible to find. The Bali Sea can reach a depth of more than 1,500 meters. At the time of his disappearance, there were 53 people on board. Including commander of Indonesian submarine fleet – Mr. Harry Setiawan. KRI Nanggala-402 submarine went missing on the morning of April 21 while participating in a torpedo drill near Bali island. On the morning of April 22, oil spills were discovered at the submarine’s diving location. On the morning of April 23, a metal object with a high magnetism was found. But since then, there have been no more clues. On the morning of April 24, the reserved oxygen on the ship was exhausted.