CNN Erin Burnett OutFront May 13, 2015 23:43:00
>> well the ntsb is pretty good at looking at the human factors when they investigate accidents. aviation train, other kinds. they're going to look at any medication they're going to look at his sleep patterns to find out if he had sleep issues. the engineer in the derailment in the bronx claimed to have sleep issues and may have zoned out or been asleep at the throttle when he accelerated too fast and took that turn in the bronx. similar issues are going to be hooked at here for him. they're going to have to determine, you know we've seen some crazy things lately with the pilot of germanwings...