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Accident Report Detail

Collision of Tugboat/Barge Alliance/MMI 3024 with Tankship Naticina, Texas City Channel and Gulf Intracoastal Waterway

Executive Summary

On Wednesday, August 17, 2011, at 0805 local time, the tankship Naticina was outbound for sea, transiting southeasterly in the Texas City Channel with two Galveston–Texas City pilots on board. The first pilot transferred navigational control to the second pilot shortly before the accident. The towing vessel Alliance, pushing the tank barges MMI 3024 and MMI 3025, was transiting northeasterly in the Gulf Intracoastal Waterway (GIWW). The bow of the lead tank barge, the MMI 3024, contacted the hull of the passing tankship Naticina.

As a result of the accident, the Naticina sustained an inset and tear in the hull plate approximately 16 feet by 1 foot in the No. 5 starboard ballast tank. The MMI 3024 sustained a small fracture in the steel plate at the port corner of the bow rake. No crewmembers on the Alliance or the Naticina were injured, and the accident caused no pollution or disruption to other vessel traffic in the area. The U.S. Coast Guard served as lead Federal agency in the investigation of this accident, and the National Transportation Safety Board (NTSB) was a participant in the investigation.

Probable Cause

The National Transportation Safety Board determines that the probable cause of the collision was the encroachment by the master of the Alliance and its two barges into the Texas City Channel and into the path of the Naticina despite the crossing agreement.

Accident Location: Galveston , TX   Texas City Channel
Accident Date: 8/17/2011
Accident ID: DCA11LM016

Date Adopted: 4/14/2012
NTSB Number: MAB-12-01
NTIS Number:  

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