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Search for the missing Titanic submersible nears the critical 96-hour mark for oxygen supply

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DUBAI, June 22 (AP): The search for the missing submersible on an expedition to view the wreckage of the Titanic neared the critical 96-hour mark on Thursday when breathable air is expected to run out, reaching a vital moment in the intense effort to save the five people aboard.

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The Titan submersible was estimated to have about a four-day supply of breathable air when it launched on Sunday morning in the North Atlantic.

That puts the deadline to find and rescue the sub at roughly between 6 am EDT (1000 GMT) and 8 am EDT (1200 GMT), based on information the US Coast Guard and company behind the expedition have provided.

Experts emphasised that is an imprecise estimate and could be extended if passengers have taken measures to conserve breathable air. And it’s not known if they survived since the sub disappeared Sunday morning.

Frank Owen, a submarine search-and-rescue expert, said the oxygen supply figure is a useful “target” for searchers, but is only based on a “nominal amount of consumption.”

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Owen said the diver on board the Titan would likely be advising passengers to “do anything to reduce your metabolic levels so that you can actually extend this.”

Broadcasters around the world started newscasts at the critical hour with news of the submersible.

The Saudi-owned satellite channel Al Arabiya showed a clock on air counting down to their estimate of when the air could potentially run out.

Rescuers have rushed more ships and vessels to the site of the disappearance, hoping underwater sounds they detected for a second straight day might help narrow their search in the urgent, international mission.

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They have expanded the coverage area to thousands of miles — twice the size of Connecticut and in waters 2 1/2 miles (4 kilometres) deep.

The Titan was reported overdue Sunday afternoon about 435 miles (700 kilometres) south of St John’s, Newfoundland, as it was on its way to where the iconic ocean liner sank more than a century ago.

OceanGate Expeditions, an undersea exploration company that is leading the trip, has been chronicling the Titanic’s decay and the underwater ecosystem around it via yearly voyages since 2021.

By Thursday morning, hope was running out that anyone on board the vessel would be found alive.

Many obstacles still remain: from pinpointing the vessel’s location, to reaching it with rescue equipment, to bringing it to the surface — assuming it’s still intact.

And all that has to happen before the passengers’ oxygen supply runs out.

Captain Jamie Frederick of the First Coast Guard District said authorities were still holding out hope of saving the five passengers onboard.

“This is a search-and-rescue mission, 100 per cent,” he said Wednesday.

The area of the North Atlantic where the Titan vanished Sunday is also prone to fog and stormy conditions, making it an extremely challenging environment to conduct a search-and-rescue mission, said Donald Murphy, an oceanographer who served as chief scientist of the Coast Guard’s International Ice Patrol.

Meanwhile, newly uncovered allegations suggest there had been significant warnings made about vessel safety during the submersible’s development.

Frederick said while the sounds that have been detected offered a chance to narrow the search, their exact location and source hadn’t yet been determined.

“We don’t know what they are, to be frank,” he said.

Retired Navy Capt. Carl Hartsfield, now the director of the Woods Hole Oceanographic Systems Laboratory, said the sounds have been described as “banging noises,” but he warned that search crews “have to put the whole picture together in context and they have to eliminate potential manmade sources other than the Titan.”

The report was encouraging to some experts because submarine crews unable to communicate with the surface are taught to bang on their submersible’s hull to be detected by sonar.

The US Navy said in a statement Wednesday that it was sending a specialized salvage system that’s capable of hoisting “large, bulky and heavy undersea objects such as aircraft or small vessels.”

The Titan weighs 20,000 pounds (9,071 kilograms). The US Navy’s Flyaway Deep Ocean Salvage System is designed to lift up to 60,000 pounds (27,216 kilograms), the Navy said on its website.

Lost aboard the vessel are pilot Stockton Rush, the CEO of OceanGate, a British adventurer, two members of a Pakistani business family and a Titanic expert.

At least 46 people successfully travelled on OceanGate’s submersible to the Titanic wreck site in 2021 and 2022, according to letters the company filed with a US District Court in Norfolk, Virginia, that oversees matters involving the Titanic shipwreck.

One of the company’s first customers characterised a dive he made to the site two years ago as a “kamikaze operation.”

“Imagine a metal tube a few meters long with a sheet of metal for a floor. You can’t stand. You can’t kneel. Everyone is sitting close to or on top of each other,” said Arthur Loibl, a retired businessman and adventurer from Germany. “You can’t be claustrophobic.”

During the 2.5-hour descent and ascent, the lights were turned off to conserve energy, he said, with the only illumination coming from a fluorescent glow stick.

The dive was repeatedly delayed to fix a problem with the battery and the balancing weights. In total, the voyage took 10.5 hours.

 

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The Hills Times
The Hills Timeshttp://www.thehillstimes.in
The Hills Times, a largely circulated English daily published from Diphu and printed in Guwahati, having vast readership in hills districts of Assam, and neighbouring Nagaland, Meghalaya, Arunachal Pradesh and Manipur.
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