Missing Titanic submersible live updates: Texts show OceanGate CEO dismissed concerns

Five people, including the company CEO, were aboard the sub when it imploded.

All passengers are believed to be lost after a desperate dayslong search for a submersible carrying five people that vanished while on a tour of the Titanic wreckage off the coast of Newfoundland, Canada.

The 21-foot deep-sea vessel, operated by OceanGate Expeditions, lost contact about an hour and 45 minutes after submerging on Sunday morning with a 96-hour oxygen supply. That amount of breathable air was forecast to run out on Thursday morning, according to the United States Coast Guard, which was coordinating the multinational search and rescue efforts.


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Canadian ROV begins search on sea floor

The U.S. Coast Guard announced via Twitter early Thursday that a remotely operated vehicle (ROV) deployed by the Canadian vessel Horizon Arctic has reached the sea floor, beginning its search for the missing submersible.

Meanwhile, the French vessel L'Atalante is preparing its ROV to enter the water in the search area, the U.S. Coast Guard said.


Search becomes dire as time runs out

Time is running out as rescuers race to locate and save five people trapped in a submersible that vanished during a tour of the Titanic wreckage on Sunday morning.

The deep-sea vessel submerged at 8 a.m. ET on Sunday with a 96-hour oxygen supply, according to the U.S. Coast Guard. That amount of breathable air is forecast to run out on Thursday morning.

The search and rescue mission remains ongoing.


Wife of missing OceanGate CEO is great-great-granddaughter of couple who died on Titanic: NYT

The New York Times traced the lineage of Wendy Rush, wife of missing OceanGate CEO Stockton Rush, and found that she's the great-great-granddaughter of a couple who died on the Titanic, Isidor and Ida Straus.

The executive director of the Straus Historical Society told ABC News that The Times article, which cites archival records, is largely correct with regard to Wendy Weil Rush's heritage.

-ABC News' Nic Uff


US Navy crane in Newfoundland but awaiting ship

A U.S. Navy portable crane system capable of bringing up items from as deep as 20,000 feet has arrived in St. John's, Newfoundland, but is waiting to be welded onto a chartered ship to take it to the search area for the missing submersible, according to a U.S. Navy official.

The Navy has not yet contracted a ship for the salvage system, known as Fly Away Deep Ocean Salvage System or FADOSS, the official told reporters Wednesday. Once the ship is contracted, Navy teams will spend approximately 24 hours working around the clock to weld the system aboard the ship before it can leave port, the official said.

FADOSS is the salvage system the U.S. Navy uses for all of its deep-water recoveries. Last year, it was able to bring up an F/A-18 aircraft that had fallen into the waters of the Mediterranean Sea.

-ABC News' Luis Martinez


US Coast Guard searches area where noise was detected

As crews scour the Atlantic Ocean for the missing submersible, the U.S. Coast Guard said it's searching in the area where underwater noise was detected.

The unidentified noise was detected Tuesday night and Wednesday morning.

The data on the noise was sent to the U.S. Navy to be examined, according to the Coast Guard.

"We have to remain optimistic and hopeful when we're in a search and rescue mission," Capt. Jamie Frederick, the First Coast Guard District response coordinator, said at a press conference on Wednesday afternoon.

The deep-sea vessel submerged on Sunday morning with five people aboard and a 96-hour oxygen supply, according to the Coast Guard. That amount of breathable air is forecast to run out on Thursday morning.

When asked about the search becoming a recovery mission, Frederick told reporters: "We're not there yet."