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Accident Report Detail

 
​Grounding and Sinking of Towing Vessel Stephen L. Colby

Executive Summary

​The uninspected towing vessel Stephen L. Colby struck hard bottom in the Upper Mississippi River (UMR) and partially sank off the right descending riverbank in LeClaire, Iowa, on November 25, 2013, at 1555 central standard time. Six of the nine crew-members on board made it to the riverbank on their own. The nearby towing vessel Aaron F. Barrett recovered the remaining three crewmembers from the partially sunken vessel. No one was injured.

Probable Cause

​The National Transportation Safety Board determines that the probable cause of the grounding and sinking of the Stephen L. Colby was the failure of the master and mate to ensure sufficient underkeel clearance for the intended transit through the accident area.

Accident Location: LeClaire , IA USA Upper Mississippi River, near mile 497, 41°35.8' N, 90°20.6' W
Accident Date: 11/25/2013
Accident ID: DCA14LM002

Date Adopted: 7/15/2014
NTSB Number: MAB1412
NTIS Number:  

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