In the last few hours CBS News confirmed only one air traffic control worker was managing the helicopters when the crash between a military helicopter and passenger plane occurred in Washington D.C. That ... from the National Transportation Safety Board.

The National Transportation Safety Board was scheduled to provide an update on Thursday on the deadly airplane-helicopter crash over Washington, D.C. Watch live at 2:45 p.m. on Thursday, Jan. 30 in the video player above.

More than 60 people were killed when an American Airlines regional passenger jet collided with a U.S. Army Black Hawk helicopter on Wednesday and crashed into the frigid Potomac River near Ronald Reagan Washington National Airport.

National Transportation Safety Board Chair Jennifer Homendy said Thursday at a press conference that “we look at facts on our investigation and that will take some time.”

Officials with the National Transportation Safety Board (NTSB) held their first press conference Thursday afternoon following a deadly collision just outside of Reagan National Airport (DCA) on Wednesday night.

The leadership of the National Transportation Safety Board held a news conference Thursday afternoon to talk about the investigation into a midair collision involving a commuter jet

Jennifer L. Homendy, the chair of the National Transportation Safety Board, said the probe will focus on several factors: “the human, the machine and the environment.”

The National Transportation Safety Board will be holding its first briefing into the investigation of the deadly American Airlines plane crash in Washington, DC. Click to watch.

Latest news and live updates after an American Airline jet collided with a Black Hawk helicopter over the Potomac River.

Recovery efforts continue following a midair collision near Washington, D.C., involving an American Airlines regional jet and an Army Blackhawk helicopter.

Members of Congress expressed concerns about air congestion in an area where a commercial passenger jet collided with a military helicopter over the Potomac River.

Authorities believe there are no survivors in the accident, which happened as a regional passenger jet was attempting to land Wednesday night at Ronald Reagan Washington National Airport.