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

"I walk here every day. I see helicopters going around. I see planes coming in like crazy. I never thought that would happen.

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

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

Why did the Washington DC plane and helicopter crash happen? Everything we know so far about the US air disaster - ...

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

President Donald Trump said there were no survivors when an American Airlines flight collided with a Black Hawk by Reagan ...

The midair collision between an American Airlines jet and a US Army Blackhawk helicopter in Washington has puzzled experts, ...

Just over a week after firing the heads of the Transportation Security Administration and Coast Guard, eliminating all the ...

Two people died in the crash on Highway 41 on Tuesday after police said they took off from a traffic stop at a nearby gas ...

A jet with 60 passengers and four crew members collided with an Army helicopter while approaching Ronald Reagan National Airport near Washington, D.C. All on board are dead, Trump said.

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.