Engineer of derailed N.J. train was fully rested -- but questions remain
A derailed New Jersey Transit train is seen under a collapsed roof after it derailed and crashed into the station in Hoboken, New Jersey. (REUTERS/Carlo Allegri)

The engineer of the New Jersey commuter train that crashed on Thursday told investigators he was fully rested but has no memory of the incident, and a recovered data recorder was not working, a National Transportation Safety Board official said on Sunday.

The derailed train at a Hoboken station killed a 34-year-old woman on the platform and injured 108 during morning rush hour. The terminal has some 60,000 people pass on a typical weekday.

NTSB Vice Chairman Bella Dinh-Zarr told a news conference the agency was still in the "fact-gathering phase of the investigation."

Thomas Gallagher, a 29-year veteran of the railway who was injured when the train derailed, told investigators the train was running at 10 miles an hour when it was approaching the station, Dinh-Zarr said.

Investigators at this time could not ascertain the speed of the train at the time when it was near the station.

(Reporting by Richard Leong; Editing by Lisa Von Ahn and Nick Zieminski)