Air-traffic control radar appears to have measured a US Army helicopter flying at a lower altitude than an American Airlines ...

The Black Hawk helicopter involved in the shocking collusion last week made a brutal error just moments before crashing into ...

Data retrieved from an investigation into a collision last week between an American Airlines regional passenger jet and a U.S ...

While the helicopter involved in the fatal crash near Reagan Airport flew a route that passed by other planes, it was flying ...

Flight data posted online appears to show another Army helicopter flying higher than the maximum altitude allowed around Ronald Reagan Washington National Airport in Washington, D.C., before last week ...

Data from air traffic control radar showed the military chopper was flying at 300 feet on the air traffic control display at ...

The military helicopter that collided with an American Airlines flight over Washington, DC, was flying nearly twice as high ...

Victims' families gathered near the site where a plane and copter collided and fell into the Potomac River. 'They are all ...

The National Transportation Safety Administration says the Army Black Hawk helicopter that collided with an American Airlines ...

A U.S. Army helicopter was flying higher than permitted limits when it collided in midair with an American Airlines Group Inc ...

Air traffic controllers twice alerted the crew of a U.S. Army helicopter to the presence of an inbound American Airlines jet, ...