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Accident Report Detail

 
Collision of Tankship Eagle Otome with Cargo Vessel Gull Arrow and Subsequent Collision with the Dixie Vengeance Tow

Executive Summary

‚ÄčOn Saturday, January 23, 2010, about 0935 central standard time, the 810-foot-long oil tankship Eagle Otome collided with the 597-foot-long general cargo vessel Gull Arrow at the Port of Port Arthur, Texas. A 297-foot-long barge, the Kirby 30406, which was being pushed by the towboat Dixie Vengeance, subsequently collided with the Eagle Otome. The tankship was inbound in the Sabine-Neches Canal with a load of crude oil en route to an ExxonMobil facility in Beaumont, Texas. Two pilots were on board, as called for by local waterway protocol. When the Eagle Otome approached the Port of Port Arthur, it experienced several unintended heading diversions culminating in the Eagle Otome striking the Gull Arrow, which was berthed at the port unloading cargo.

A short distance upriver from the collision site, the Dixie Vengeance was outbound with two barges. The towboat master saw the Eagle Otome move toward his side of the canal, and he put his engines full astern but could not avoid the subsequent collision. The Kirby 30406, which was the forward barge pushed by the Dixie Vengeance, collided with the Eagle Otome and breached the tankship's starboard ballast tank and the No. 1 center cargo tank a few feet above the waterline. As a result of the breach, 862,344 gallons of oil were released from the cargo tank, and an estimated 462,000 gallons of that amount spilled into the water. The three vessels remained together in the center of the canal while pollution response procedures were initiated. No crewmember on board any of the three vessels was injured.


Probable Cause

‚ÄčThe National Transportation Safety Board (NTSB) determines that the probable cause of the collision of tankship Eagle Otome with cargo vessel Gull Arrow and the subsequent collision with the Dixie Vengeance tow was the failure of the first pilot, who had navigational control of the Eagle Otome, to correct the sheering motions that began as a result of the late initiation of a turn at a mild bend in the waterway. Contributing to the accident was the first pilot's fatigue, caused by his untreated obstructive sleep apnea and his work schedule, which did not permit adequate sleep; his distraction from conducting a radio call, which the second pilot should have conducted in accordance with guidelines; and the lack of effective bridge resource management by both pilots. Also contributing was the lack of oversight by the Jefferson and Orange County Board of Pilot Commissioners.


Accident Location: Port Arthur , TX   Sabine-Neches Canal
Accident Date: 1/23/2010
Accident ID: DCA10FM010

Date Adopted: 9/27/2011
NTSB Number: MAR-11-04
NTIS Number: PB2011-916404