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The Titan’s dive on Sunday is one of many that have been made to the wreck by OceanGate Expeditions since 2021. The sunken ship is about 2.4 miles (3.8 kilometers) below the surface.
The undersea exploration company has been chronicling of the ship’s decay as well as the underwater ecosystem that has sprung up around it over the last century. What we know so far:
When and where did the Titan go missing?
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The Titan was being launched from an icebreaker that was hired by OceanGate and formerly operated by the Canadian Coast Guard. The ship ferried dozens of people and the submersible craft to the North Atlantic wreck site, where the Titan makes multiple dives.
David Concannon, an adviser to OceanGate, told The Associated Press on Monday that the submersible had a 96-hour oxygen supply. He said officials are working to get a remotely operated vehicle that can reach a depth of 6 kilometers (3.7 miles) to the site as soon as possible.
Who was on board?
The Coast Guard said there was one pilot and four “mission specialists” aboard. “Mission specialists” are people who pay to come along on OceanGate’s expeditions. They take turns operating sonar equipment and performing other tasks in the five-person submersible.
UK businessman Hamish Harding was one of the mission specialists, according to Action Aviation, a company for which Harding serves as chairman. Harding is an adventurer who holds three Guinness World Records, including longest duration at full ocean depth by a crewed vessel. In March 2021, he and ocean explorer Victor Vescovo dived to the lowest depth of the Mariana Trench. In June 2022, he went into space on Blue Origin’s New Shepard rocket.
What kind of deep-sea vessel was it?
Titan is capable of diving 4 kilometers (2.4 miles) “with a comfortable safety margin,” according to documents filed by the company in April with a US District Court in Virginia that oversees Titanic matters.
In a May 2021 court filing, OceanGate said the Titan had an “unparalleled safety feature” that assesses the integrity of the hull throughout every dive. At the time of the filing, Titan had undergone more than 50 test dives, including to the equivalent depth of the Titanic, in deep waters off the Bahamas and in a pressure chamber, the company said.
During its 2022 expedition, OceanGate reported that the submersible had a battery issue on its first dive and had to be manually attached to its lifting platform, according to a November court filing.
What was the titan’s mission?
The goal of OceanGate’s expeditions has been chronicle the Titanic’s deterioration as well as the underwater ecosystem that shipwrecks often spawn.
What’s left of the Titanic is slowly succumbing to metal-eating bacteria that consumes hundreds of pounds of iron a day. Holes pervade the wreckage, while the crow’s nest is already gone. Some have predicted the ship could vanish in a matter of decades as holes yawn in the hull and sections disintegrate.
The company outfitted the Titan with high-definition cameras and multi-beam sonar equipment. Charting the wreck’s decomposition can help scientists predict the fate of other deep-sea wrecks, including those that sank during the world wars. Another focus is the sea life: Hundreds of species have only been seen at the wreck.
”The ocean is taking this thing, and we need to document it before it all disappears or becomes unrecognizable,” Stockton Rush, president of OceanGate Expeditions, told The AP in 2021.