
The TSB wishes to acknowledge the outstanding cooperation and logistical support it has received from the Canadian Coast Guard and the Royal Canadian Mounted Police. This allows the focus to be placed on addressing safety deficiencies, and on preventing similar accidents from happening again. The purpose of a safety-focused independent investigation is to find all causal and contributing factors to an accident, without attributing blame or civil or criminal liability. The team will also follow up to gather additional information as required. In the next weeks, the investigation team will review the information gathered to date and assess the occurrence in accordance with the TSB Policy on Occurrence Classification. The materials are now in the possession of the USCG. The TSB has inspected, documented, and catalogued the materials for its safety investigation. Today, the wreckage from the submersible Titan recovered by the United States Coast Guard (USCG) arrived in St. The investigation team has taken possession of the vessel’s voyage data recorder, which has been sent to the TSB Engineering Laboratory in Ottawa for further analysis. TSB investigators have finished collecting relevant documents and completed the preliminary interviews with those on board the support vessel Polar Prince. John’s, Newfoundland and Labrador, 28 June 2023 - The Transportation Safety Board of Canada (TSB) is continuing its safety investigation ( M23A0169) into the marine occurrence involving the Canadian-flagged vessel Polar Prince and the submersible Titan.

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TSB update on investigation into the occurrence involving the support vessel Polar Prince and the submersible Titan
