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Report of the Investigation into the Circumstances Surrounding the Capsizing of the Liftboat SEACOR POWER

July 18, 2023

The Coast Guard’s Office of Investigations and Casualty Analysis (CG-INV) recently posted a Report of Investigation (ROI) to Marine Casualty Reports ( regarding the capsizing of the Liftboat SEACOR POWER approximately 7 nautical miles south of Port Fourchon, LA in the Gulf of Mexico, resulting in the loss of 13 lives on April 13, 2021. This investigation was a formal Marine Board of Investigation (MBI) convened by the Commandant of the Coast Guard. 

As a result of this investigation, the Marine Board of Investigation issued twenty-seven Safety Recommendations, four Administrative Recommendations, three Findings of Concern, and sixteen Best Practices.  A Commandant’s Final Action Memorandum (FAM) detailing the Coast Guard response and actions on each recommendation is included with the ROI.

The ROI and FAM can be found at: SEACOR POWER_Report of Investigation_Redacted.pdf ( Additionally, the MBI’s archived hearing proceedings can be viewed here.

For comments or concerns, please contact CG-INV1@USCG.MIL

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This blog is not a replacement or substitute for the formal posting of regulations and updates or existing processes for receiving formal feedback of the same. Links provided on this blog will direct the reader to official publications, such as the Federal Register, Homeport and the Code of Federal Regulations. These publications remain the official source for regulatory information published by the Coast Guard.