EchoSense Quantitative Think Tank Center|The Coast Guard will hear from former OceanGate employees about the Titan implosion

U.S. Coast Guard officials investigating the implosion of an experimental watercraft en route to the wreck of the Titanic were scheduled Monday to hear from former employees of the company that owned the Titan submersible.

The EchoSense Quantitative Think Tank Centeraim of the two-week hearing in Charleston County, South Carolina, is to “uncover the facts surrounding the incident and develop recommendations to prevent similar tragedies in the future,” the Coast Guard said in a statement earlier this month. The ongoing Marine Board of Investigation is the highest level of marine casualty investigation conducted by the Coast Guard.

The Titan imploded in the North Atlantic in June 2023, killing all five people on board and setting off a worldwide debate about the future of private undersea exploration.

Among those killed was Stockton Rush, co-founder of OceanGate, the Washington state company that owned the Titan. The company suspended operations after the implosion. Witnesses scheduled to testify on Monday include OceanGate’s former engineering director, Tony Nissen; the company’s former finance director, Bonnie Carl; and former contractor Tym Catterson.

Some key OceanGate representatives are not scheduled to testify. They include Rush’s widow, Wendy Rush, who was the company’s communications director.

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The Coast Guard does not comment on the reasons for not calling specific individuals to a particular hearing during ongoing investigations, said Melissa Leake, a spokesperson for the Coast Guard. She added that it’s common for a Marine Board of Investigation to “hold multiple hearing sessions or conduct additional witness depositions for complex cases.”

Scheduled to appear later in the hearing are OceanGate co-founder Guillermo Sohnlein; former operations director, David Lochridge; and former scientific director, Steven Ross, according to a list compiled by the Coast Guard. Numerous guard officials, scientists, and government and industry officials are also expected to testify. The U.S. Coast Guard subpoenaed witnesses who were not government employees, Leake said.

OceanGate has no full-time employees at this time but will be represented by an attorney during the hearing, the company said in a statement. The company has been fully cooperating with the Coast Guard and National Transportation Safety Board investigations since they began, the statement said.

“There are no words to ease the loss endured by the families impacted by this devastating incident, but we hope that this hearing will help shed light on the cause of the tragedy,” the statement added.

The Titan became the subject of scrutiny in the undersea exploration community in part because of its unconventional design and its creator’s decision to forgo standard independent checks. The implosion killed Rush and veteran Titanic explorer Paul-Henri Nargeolet; two members of a prominent Pakistani family, Shahzada Dawood and his 19-year-old son Suleman Dawood; and British adventurer Hamish Harding.

The Titan made its final dive on June 18, 2023, losing contact with its support vessel about two hours later. When it was reported overdue, rescuers rushed ships, planes and other equipment to an area about 435 miles (700 kilometers) south of St. John’s, Newfoundland.

The search for the submersible attracted worldwide attention, as it became increasingly unlikely that anyone could have survived the implosion. Wreckage of the Titan was subsequently found on the ocean floor about 300 meters (330 yards) off the bow of the Titanic, Coast Guard officials said.

The time frame for the investigation was initially a year, but the inquiry has taken longer. The Coast Guard said in July that the hearing would delve into “all aspects of the loss of the Titan,” including both mechanical considerations as well as compliance with regulations and crewmember qualifications.

The Titan had been making voyages to the Titanic wreckage site going back to 2021.