Flight instruments probably led the Black Hawk crew to believe the helicopter was lower than it actually was before the collision with a commercial airplane on Jan. 29.

Police reports obtained by The Intercept show how sloppy op-sec led to criminal charges under a squishy state law.

A long list of things went wrong in January and contributed to the collision between an Army helicopter and an American ...

At their closest points, helicopters and planes routinely flew within 75 feet near the airport, according to the NTSB.

Investigators conclude pilots of Black Hawk did not hear warning from air traffic controllers to pass behind jet ...

It was just 6 months ago, *** flight that was supposed to land here at Ronald Reagan National Airport from Wichita, Kansas crashed over the Potomac River, killing 67 people, with many questions ...

The army helicopter that crashed into a passenger jet over Washington DC was flying too high, investigators have concluded.

NTSB finds Army chopper in fatal D.C. midair crash was above altitude limit The crash over the Potomac River in January killed 67 people.