Is it still safe to fly? What you need to know after Alaska and Washington DC plane incidents - Despite a series of accidents in a short space of time, flying remains extremely safe

Ari Schulman told NBC Washington that he saw the plane crash while driving on the George Washington Parkway, which runs along the airport. He said the plane's approach looked normal, until he saw the aircraft bank hard to the right, with "streams of sparks" running underneath, illuminating its belly.

The investigation into the deadly midair collision between an American Airlines jet and a Black Hawk helicopter is revealing a critical safety system on the helicopter was turned off at the time of the crash.

Black Hawk helicopter pulled out of Potamac River in DC one week after fatal crash with jetliner