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Accident Report Detail

Boom Failure aboard Crane Barge Atlantic Giant II

Executive Summary

​On August 9, 2018, about 2030 local time, the main boom on the crane barge Atlantic Giant II failed while moving a section of a vessel being dismantled in the Brownsville Ship Channel in Brownsville, Texas. The load and crane boom subsequently fell into the harbor. Two shipyard employees working on the barge were injured, as well as a third on board an assisting tugboat. No pollution was reported. Damage to the barge and crane amounted to an estimated $6.4 million.

Probable Cause

​The National Transportation Safety Board determines that the probable cause of the boom failure aboard the crane barge Atlantic Giant II was the decision by South Coast Maritime and SteelCoast to continue with a lift that exceeded the planned weight without conducting additional risk assessments for the continuation of work as the crane neared its maximum capacity.

Accident Location: Brownsville , TX USA Brownsville Ship Channel, 25°57.86’ N, 097°21.99’ W
Accident Date: 8/9/2018
Accident ID: DCA18FM032

Date Adopted: 7/16/2019
NTSB Number: MAB1920
NTIS Number:  

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