JAKARTA - Reports of the discovery of a voice at the site of the search for Titan, a manned submersible that was lost on its way to the ruins of the crew, provided a glimmer of hope with experts estimating it came from within Titan, although no one has yet been able to confirm.
Frank Owen of the Submarine Institute of Australia said, based on available information, he expected the voices to come from within Titan's submersible.
"If there is a 30-minute pause, it's very unlikely, but the sound comes from humans," he told the BBC, as quoted June 22.
Frank said the voices "heard as advice" originating from Titan, highlighting the presence of Paul-Henry Nargeolet, a former French naval diver and famous explorer.
"He must know the protocol to notify search troops... every hour, half an hour (interval 30 minutes, red), you bang on for three minutes," added Frank.
It is known that the P-3 Canadian aircraft involved in the search managed to detect underwater sounds from the search location. The sound was reported to have an interval of 30 minutes and was heard for several hours. However, no authorities and experts have been able to confirm it comes from Titan.
Carl Hartsfield, one of the experts involved in the search, said it was very difficult to confirm the voices. He said his team had "some sensors in the area that took data back to the best people in the world, giving it back to the team so they could make a decision".
"They have to eliminate man-made potential sources other than Titan," he explained during a joint statement with Captain Jamie Frederick of the US Coast Guard.
As previously reported, Southampton University Oceanography Senior lecturer Simon Boxall said underwater voices gave hope that those on board were still alive.
"There are many sources of sound in the ocean, but this gives hope," he told 'Newsday on the World Service'.
"I think one of the scenarios everyone is afraid of is that the submarine has basically exploded. So, it gives hope that this is still a rescue operation and not just a recovery operation," he said.
Meanwhile, First District Commander (D1) US Coast Guard Rear Admiral John Mauger, who led the search mission in an interview with CBS, said he could not confirm the matter of the vote.
"We don't know the source of the sound. There are a lot of metal objects at the location of the fire, which could be a source of noise," he explained.
"It was a target, the focus for us with ships deployed nearby. The team will continue to search as long as there is still a chance to survive," he said.
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