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Accident Report Detail

Sinking of Fishing Vessel Kupreanof

Executive Summary

About 0300 local time on June 10, 2015, the uninspected commercial fishing vessel Kupreanof began taking on water while transiting from Juneau to Bristol Bay, Alaska. About two and half hours later, the vessel sank in 420 feet of water. All four crewmembers were rescued without injury by the Coast Guard soon after abandoning ship. About 7,300 gallons of diesel fuel and an unknown quantity of hydraulic and lubricating oil were aboard the vessel when it sank. The Kupreanof was not salvaged due to the water depth. The vessel and the equipment stowed on deck were valued at $875,000.

Probable Cause

The National Transportation Safety Board determines that the probable cause of the sinking of the fishing vessel Kupreanof was the flooding of an aft compartment, likely the lazarette.

Accident Location:   , AK   Gulf of Alaska, about 50 miles west-northwest of Cape Spencer
Accident Date: 6/10/2015
Accident ID: DCA15LM025

Date Adopted: 10/26/2016
NTSB Number: MAB-16-23
NTIS Number:  

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