Black Box From Black Hawk Helicopter Reveals Factors That May Have Contributed to Deadly DC Crash

The American Airlines flight and Black Hawk helicopter crashed into the Potomac river after they collided. (Credit: Getty Images)

New data revealing factors that potentially led to the deadly Washington, DC plane crash on January 29 has been recovered from the Black Hawk helicopter's black box.

The crew aboard the helicopter may not have heard instructions to pass behind the American airlines plane, National Transportation Safety Board (NTSB) Chairwoman Jennifer Homendy said Friday.