Crew members also said that the runway appeared "all white" before the crash of Delta Flight 1086.
The Delta Airlines plane was moved into a hangar at the airport for investigators.
Fire officials said there were 28 injuries, two of them serious, in the Thursday morning accident.
Commuters should expect 15 minute delays as trains pass through the crash site.
The NTSB's investigation into the crash is ongoing.
The governor described the crash scene as one of the worst he has seen.
Federal investigators with the NTSB were reviewing the crash that also injured 15 people.
The MTA said they will start a pilot program to test for sleep apnea after the NTSB recommendations.
William Rockefeller fell asleep at the controls of the Metro-North train that derailed in The Bronx.
An NTSB report is expected to show that William Rockefeller suffered from the sleep disorder.
The federal investigators will now analyze parts of the pipe that ran under the Park Avenue buildings.
The 8-inch gas pipe that supplied the two buildings failed federal investigators' tests.
James Romansoff died after a Poughkeepsie-bound train hit him in East Harlem, officials said.
A funeral for Kisook Ahn will take place at 10:30 a.m. Saturday at St. Sebastian's Church in Woodside.
There was nothing wrong with the brakes on the Metro-North train that crashed near Spuyten Duyvil.
Get our daily Afternoon News Update
Thank you for signing up!
Would you like to sign up for additional newsletters?
Thank you for signing up for additional newsletters.