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Feds: Engineer in horrific NYC train derailment had sleep disorder

April 7, 2014 By Jim Fitzgerald Associated Press
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Screen Shot 2014-04-07 at 1.30.51 PM.png
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WHITE PLAINS, N.Y.— The engineer on a New York commuter train that derailed at high speed last year, killing four people, had a serious sleep disorder that interrupted his rest dozens of times each night, federal investigators disclosed Monday.

The National Transportation Safety Board’s medical examination of engineer William Rockefeller uncovered “severe obstructive sleep apnea,” according to documents released by the agency.

The documents did not say whether the disorder contributed to the Dec. 1 crash on the Metro-North railroad. The NTSB said its analysis of the information and any determination of the cause would come in a later report.

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Rockefeller’s lawyer and union leader have suggested the engineer nodded off on the morning of Dec. 1 as his train raced toward a sharp curve in the Bronx, where it derailed. The curve had a 30 mph speed limit; the train was going 82 mph.

Attorney Jeffrey Chartier said a few days after the accident that Rockefeller experienced a nod or “a daze,” almost like road fatigue or the phenomenon sometimes called highway hypnosis. Anthony Bottalico, leader of the rail employees union, said Rockefeller “basically nodded.”

The NTSB report said a sleep study was ordered because Rockefeller “did not exactly recall events leading up to the accident.”

The test found that while Rockefeller slept, he had about 65 “sleep arousals” per hour. Scientists say as few as five interruptions an hour can make someone chronically sleepy. The report said Rockefeller’s apnea apparently was undiagnosed before the accident.

The NTSB noted that sleep apnea is not mentioned in Metro-North’s medical guidelines.

Metro-North spokesman Aaron Donovan said the railroad was reviewing the documents. Chartier did not immediately return messages seeking comment Monday.

The report said Rockefeller’s blood and urine tests after the accident revealed small amounts of aspirin and an over-the-counter antihistamine that carries a warning that it could impair the ability to drive.

The report notes that Rockefeller’s work schedule had recently changed from late night to early morning shifts.

Apnea is more common in those who are overweight, and the medical report describes Rockefeller, who is 5 feet 11 inches tall, as obese. Records in the report indicate he was 204 pounds in 2008, 246 pounds in 2011 and 274 pounds in 2013 but down to 261 pounds after the accident.

The report says a sleep medicine specialist prescribed an apnea treatment known as CPAP, or continuous positive airway pressure, which uses a mask and hose to push a steady flow of air pressure into a person’s airway during sleep.


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