Experts say the deadly incident poses grave questions about how a collision was able to happen over the US capital.

The Post spoke to several aviation experts about a number of factors that may have contributed to the fatal collision.

Captain Chesley 'Sully' Sullenberger offered his expert opinion following the collision between an American Airlines plane ...

There are "no survivors" after an American Airlines jet carrying 64 people collided in mid-air with a military helicopter ...

Trump says he has been briefed on the ‘terrible accident’ between American Airlines jet and Army Black Hawk helicopter ...

Here's what you need to know about the history of plane crashes in Mississippi. Here's what the NTSB says about where, when, ...

An American Airlines regional jet went down in the Potomac River near Ronald Reagan Washington National Airport.

Officials say no survivors after a passenger jet crashed with an Army helicopter on approach to a Washington, D.C., airport. Here's what we know.

How could this happen?   Shock and confusion   Those who live just across the river from Washington, D.C. in the suburbs of Arlington and Alexandria, Virginia, are all too used ...

An American Airlines regional jet went down in the Potomac River near Washington, D.C.'s Ronald Reagan Washington National ...

A stolen Amazon vehicle was involved in one of two fatal crashes overnight on I-57 in Chicago's south suburbs, Illinois State ...