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Accident Report Detail

 
Collision of Bulk Carrier Mesabi Miner and US Coast Guard Cutter Hollyhock

Executive Summary

The US Coast Guard cutter Hollyhock was breaking through ice west of the Straits of Mackinac on the morning of January 5, 2014, to establish a path for six merchant vessels heading west into Lake Michigan when it ran into thicker ice and had difficulty continuing ahead. The 1,004-foot-long Mesabi Miner, the first merchant vessel in the convoy, was unable to slow quickly enough to avoid striking the stern of the Hollyhock at 1042. No injuries or pollution resulted from the accident. Both vessels sustained significant damage but remained operational.

Probable Cause

The National Transportation Safety Board determines the probable cause of the collision between the United States Coast Guard cutter Hollyhock and the bulk carrier Mesabi Miner was the lack of effective communications between the two vessels’ bridge teams during icebreaking operations, which resulted in an insufficient amount of time to take action to avoid a collision.

Accident Location:   , MI   Straits of Mackinac
Accident Date: 1/5/2014
Accident ID: DCA14PM005

Date Adopted: 4/8/2015
NTSB Number: MAB-15-07
NTIS Number:  

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