Monday Accident & Lessons Learned: NTSB Investigation – Grounding and Sinking of Towing Vessel Stephen L. Colby”
Below is the NTSB investigation PDF. Read it and see what you think of the “probable cause” of the accident … “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.“
See the whole report here: