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Accident Report Detail

Marine Accident Brief: Capsizing and Sinking of Fishing Vessel Misty Blue

Executive Summary

​On December 4, 2017, at 1806 local time, the uninspected fishing vessel Misty Blue was harvesting clams 9 miles southeast of Nantucket, Massachusetts, when the port clam tank began flooding and the vessel subsequently capsized and sank.1 Two crewmembers were trapped on board and perished when the vessel sank; the other two crewmembers managed to escape and were rescued by a nearby fishing vessel. Oil sheens were observed.

Probable Cause

​The National Transportation Safety Board determines that the probable cause of the capsizing and sinking of fishing vessel Misty Blue was flooding of the port clam tank from an undetermined point of ingress, which led to a decreased freeboard and a list allowing boarding seas to be trapped on deck, thereby decreasing the vessel’s stability. Contributing to the sinking was the relatively small freeing port area of the vessel, which likely increased water accumulation on deck.

Accident Location: Nantucket , MA USA 41°11.35’ N, 69°46.03’ W
Accident Date: 12/4/2017
Accident ID: DCA18FM005

Date Adopted: 2/6/2019
NTSB Number: MAB1901
NTIS Number:  

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