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Accident Report Detail

​Union Pacific Railroad Employee Fatality

Executive Summary

​On September 4, 2013, about 4:15 p.m., in Mathis, Texas, a Union Pacific Railroad (UP) welder was killed and another UP welder was seriously injured when an S-60 Trax aerial lift vehicle overturned. At the time of the accident, the temperature was 102° F, and the weather was clear. The accident occurred on the UP San Antonio Service Unit of the Corpus Christi Subdivision main line at milepost 106.

Probable Cause

​The National Transportation Safety Board determines that the probable cause of the accident Was the welders' attempt to free the snagged aerial lift bucket from within the bucket, in lieu of evacuating the bucket and using the ground controls.

Accident Location: Mathis , TX USA  
Accident Date: 9/4/2013
Accident ID: DCA13FR012

Date Adopted: 6/27/2014
NTSB Number: RAB1404
NTIS Number:  

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