Business Insider reviewed official briefings, flight data, and air traffic control audio tapes to piece together what ...

It raises fresh questions as to why the two aircraft collided nearly head-on with each other killing all onboard.

Audio from the American Airlines plane crash in Washington DC documents air traffic control's reaction to the collision.

A gasp can be heard on air traffic control audio as an American Airlines plane and a US Army helicopter collided in ...

So far, over 40 bodies have been pulled from the Potomac River near Washington DC, and the search remains ongoing.

The Post can reveal that miscommunications in one of the most crowded and complex patches of sky in the US are likely to ...

Potomac River so far, after an American Airlines passenger plane collided with a US Army helicopter, in what's been described ...

The mid-air collision came just 24 hours after another passenger jet narrowly avoided hitting a helicopter when landing at ...

It will be some time before investigators can offer clear answers to the cause of the midair crash at Ronald Reagan ...

Upon first approach, Republic Airways Flight 4514 diverts from course, circles around, and lands during a second attempt at ...

Trump alleged that the ATC was aware of the American Airlines plane's approach but merely asked the chopper pilot if he could ...

The audio indicates that air traffic controllers tried to warn the Army helicopter about a nearby Canadair Regional Jet.