WASHINGTON — The final thing Amtrak engineer Brandon Bostian remembers before last May’s fatal crash in Philadelphia is pushing the throttle forward to pick up speed and then braking when he felt the train going too fast into a sharp curve, according to a transcript of his interview with investigators.

When he realized the train was about to derail, Bostian said he was holding tightly to the controls and thinking, “Well, this is it, I’m going over.”

The transcript was among more than 2,200 pages of documents released Monday by the National Transportation Safety Board.

The documents don’t come to any conclusions about the cause of the crash, but offer a glimpse into what federal accident investigators have learned so far.

Among the most illuminating are two transcripts of interviews Bostian had with investigators, one immediately after the May 12 crash that killed eight people and injured nearly 200 others, and the second in November.

In the later interview, Bostian provided investigators with a vivid account of what he believes happened in the seconds before Train 188 left the tracks – a sharp contrast from his first interview, where he said he remembered little.


Bostian cautioned that there were “several gaps” in his recollection but that “a couple of prominent scenes” had come back to him since the previous interview.

The train’s data recorder shows that at about 55 seconds – a mile and a half – before the Frankford Junction curve, one of the sharpest in Amtrak’s Northeast Corridor, Bostian applied full throttle and held it there for about 30 seconds. The train reached a speed of about 95 mph.

He then slightly lowered the throttle for 2 seconds before returning to full throttle and holding it there for another 20 seconds. Three seconds before the train derailed, at a speed of 106 mph, Bostian applied the emergency brake.

That reduced the speed to 102 mph, but by then it was too late. Four of the train’s seven cars and its locomotive derailed in a tangled heap.

The speed limit for the curve is 50 mph. The limit for the stretch of track prior to the curve is 80 mph.

Bostian, who suffered a head injury in the crash, said he remembers pushing the throttle to bring the train up to speed in an 80 mph zone after first thinking the limit there was 70 mph.

“Once I pushed the throttle forward in an attempt to bring the train up to 80 miles an hour, I don’t have any other memories until after the train was already in the curve,” Bostian said in the November interview.

The engineer told investigators that his practice for accelerating trains is to “gradually increase the throttle. I don’t slam it all the way open when I’m going slow. But if you’re going kind of fast, it’s okay to slam it open. But I typically accelerate in full throttle and then back off as I approach the maximum speed.”


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