Federal authorities are asking questions as to how the collision between an American Airlines flight and a military helicopter could have occurred.

An Army Black Hawk helicopter collided with a regional jet near Ronald Reagan Washington National Airport on Wednesday evening, U.S. officials confirmed to ABC News.

Last year, senators from Virginia and Maryland sounded the alarm over congestion in the skies above Washington.

A massive emergency response remains on scene of an aircraft crash in the water near Reagan National Airport. A military ...

Several figure skaters, coaches and family members were on board the flight that crashed Wednesday night in D.C.

An American Airlines plane collided with a military helicopter crashing into the Potomac River near Reagan National Airport ...

A massive search operation is underway after a passenger aircraft carrying 64 people collided midair with a US Army Black Hawk helicopter near Reagan National Airport outside of Washington, DC, ...

The flight appeared to collide with a helicopter just before it was scheduled to land. This is a developing story and will be ...

A regional jet collided with a military helicopter on Wednesday night while landing at Reagan Washington National Airport, ...

D.C. police confirmed a crash had taken place over the Potomac and that search and rescue operations were taking place in the ...

In the must-see video above, American Airlines CEO Robert Isom provided an update on Flight 5342, which collided with a US Army helicopter close to Reagan International Airport (DCA) on January 29.

A regional American Airlines passenger jet and a Black Hawk military helicopter collided midair Wednesday night, sending both ...