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Senior science journalist
The moment that the Titan dumplish of Oceangate has been lost has been unveiled in images on the support ship of the Sub.
Titan imploded about 90 minutes in a descent to see the wreck of the Titanic in June 2023, killing all five people on board.
The passengers had paid Oceangate to see the ship, which is 3800 million.
On board were the CEO of Oceangate Stockton Rush, the British explorer Hamish Harding, experienced French diver Paul Henri Nargeolet, the British-Pakistan businessman Shahzada Dawood and his 19-year-old son Suleman.
The BBC has had unprecedented access to the investigation of the American Coast Guard (USCG) for a documentary, implosion: the Titanic Sub Disaster.
The images were recently obtained by the USCG and show Wendy Rush, Mr Rush’s wife, who heard the sound of the implosion while looking from the Sub’s support ship and asked: “What was that bang?”
The video is presented as proof of the USCG Marine Board of Investigation, which has spent the past two years investigating the catastrophic failure of the sub.
The documentary also reveals that the carbon fiber used to build the immersion started a year before the fatal dip.
Titan’s support ship was with the sub while diving into the Atlantic Ocean. The video shows Mrs. Rush, who was director of Oceangate with her husband, sitting in front of a computer used to send and receive SMS messages from Titan.
When the sub reaches a depth of approximately 3,300 m, a sound that sounds like a door that closes. Mrs. Rush will pause and then look up and other Oceangate crew members ask what the noise was.
Within a few moments she then receives an SMS message from the Sub stating that it had dropped two weights, which led her to wrongly think that the dive went through as expected.
The USCG says that the noise was in fact the sound of Titan imploding. The text message, which had to be sent just before the sub failed, took longer to reach the ship than the sound of the implosion.
All five people on board Titan died immediately.
Prior to the fatal dive, warnings were raised by Deep Sea experts and some former Oceangate employees about Titan’s design. They described it as A “horror” and said that the disaster was “inevitable”.
Titan had never undergone an independent safety assessment, known as certification, and an important concern was that the hull – the main body of the sub where the passengers were – was made of layers of carbon fiber mixed with resin.
The USCG says it has now identified the moment the hull started to fail.
Carbon fiber is a very unusual material for a deep -seater -lodge because it is unreliable under pressure. A known problem is that the layers can separate carbon fiber, a process called delamination.
The USCG is of the opinion that the carbon fiber layers of the hull started breaking apart during a dive on the Titanic, which took place a year before the disaster – the 80th dive that Titan had made.
Passengers on board reported that it heard a loud bang when the sub returned to the surface. They said that at the time Mr Rush said that this sound was the sub -shift in his frame.
But the USCG says that the data collected from sensors that have been applied to Titan demonstrate that the bang was caused by delamination.
“Delamination at dive 80 was the start of the end,” said Lieutenant commander Katie Williams of USCG.
“And anyone who got on board the Titan after diving 80 risked their lives.”
Titan took passengers on three more dives in the summer of 2022 – two to the Titanic and one to a nearby reef, before it failed on his next deep dive, in June 2023.
Businessman Oisin Fanning was on board Titan for the last two dives before the disaster.
“If you ask a simple question:” Would I know again what I know now? ” – The answer is no, “he told BBC News.
“Many people would not have disappeared. Very intelligent people who lost their lives, who, if they had all the facts, would not have made that journey.”
Deep Sea Displacement Traveler Victor Vescovo said he had serious doubts about Titan and that he had told people that diving in the sub was like playing Russian roulette.
“I warned people myself to get into that immersion. I specifically told them that it was just a matter of time before the catastrophic failed. I told Stockton Rush that I believed that.”
After the sub was imploded, the mutilated wreck was spread over the seabed of the Atlantic Ocean.
The USCG has described the process to sift the recovery of debris – and said that Mr Rush’s clothing had been found, as well as business cards and stickers from the Titanic.
Later this year, the American Coast Guard will publish a final report of the findings from its research, which aim is to determine what went wrong and prevent a disaster like this never happening again.
Christine Dawood, who lost her husband Shahzada and son Suleman in the disaster, said to the BBC documentary team that it had changed her forever.
“I don’t think someone who goes through loss and such a trauma can ever be the same,” she said.
The ripples of the oceangate disaster will probably continue for years – some private lawsuits have already been brought and criminal prosecutions may follow.
Oceangate said the BBC: “We again offer our deepest participation in the families of those who died on June 18, 2023, and to all those affected by the tragic accident.
“Because the tragedy took place, OcEngate has permanently demolished its activities and his resources aimed at fully collaborating the investigation. It would be inappropriate to respond further while we are waiting for the reports of the agencies.”
You can view implosion: the Titanic Sub disaster on 9 p.m. on Tuesday 27 May on BBC Two. It will also be available on the BBC IPLayer.
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