NTSB to Investigate Titan Submersible NTSB part of U.S. Coast Guard Marine Board of Investigation


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​​​WASHINGTON (June 30, 2023) — The National Transportation Safety Board will investigate the loss of the Titan submersible and is part of the U.S. Coast Guard’s Marine Board of Investigation​. The U.S. Coast Guard is the lead federal agency for the investigation.

“We appreciate the dedication and hard work of all involved in the recovery operations of the Titan and for their efforts recovering evidence critical to the investigation,” said NTSB Chair Jennifer Homendy. “We look forward to working with our safety partners during the investigation. The NTSB’s mission is to determine how this tragedy occurred and issue safety recommendations to prevent a similar loss in the future.” 

The crew of the research vessel Polar Prince lost contact with the Titan submersible on June 18. Five people were onboard the submersible. 

The NTSB will gather information, analyze the facts, determine a probable cause and issue any necessary safety recommendations. An NTSB investigator was on scene in St. John’s, Newfoundland and Labrador, Canada during recovery efforts. The NTSB will issue a final report in 12 to 24 months. 

The NTSB is working closely with other federal and international agencies, including the U.S. Coast Guard, the U.S. Navy Supervisor of Salvage and Diving and the Transportation Safety Board of Canada, as part of the investigation. 

The U.S. Coast Guard will provide updates on the investigation on the MBI website.       

To report an incident/accident or if you are a public safety agency, please call 1-844-373-9922 or 202-314-6290 to speak to a Watch Officer at the NTSB Response Operations Center (ROC) in Washington, DC (24/7).