A passenger jet and a U.S. Army Black Hawk helicopter collided midair Wednesday night near Washington, D.C., crashing into the Potomac River ... approaching Buffalo, New York, killing 49 people.

Both aircraft ended up in the Potomac River ... landing in the Hudson River, shortly after striking birds following takeoff from LaGuardia Airport in New York City. There were no fatalities ...

Potomac by Air: Our Nation's River is available to stream on pbs.org and the free PBS App, available on iPhone, Apple TV, Android TV, Android smartphones, Amazon Fire TV, Amazon Fire Tablet ...