Radar images of the army helicopter and passenger plane that crashed over DC have revealed that the air system warned of a "collision alert" moments before the crash.

An American Airlines flight headed into Reagan National Airport 24-hours before the fatal crash Wednesday was forced into a last-minute go-around to avoid another aircraft — the second known redirect ...

The National Investigative Unit tracked the American Airlines plane moments before it collided with an Army Black Hawk ...

A small plane that crashed Friday evening in a residential area of northeast Philadelphia apparently planned to make a stop ...

Using flight tracking data, CCTV and recordings of air traffic control, Sky News examines the events that led to the disaster.

Investigators are intensifying their search into what caused the collision between American Airlines Flight 5342 and an Army ...

Reagan National Airport resumed normal operations at 11 a.m. Thursday, more than 12 hours after a deadly collision between a military helicopter and an American Airlines flight that was heading for ...

Petchenik cautioned that the flight tracking data for the Black Hawk is imperfect. The military helicopter was sending a Mode S signal, which transmits basic data about altitude and aircraft ...

A timeline of the tragic collision between a commercial plane and a Black Hawk helicopter over the Potomac River, with ...

A few minutes before the jet was to land, air traffic controllers asked American Airlines Flight 5342 if it could do so on a ...

The helicopter, from the north, and the passenger aircraft, from the south, appear to have collided at approximately 8:47 p.m., according to publicly available flight-tracking data. D.C. police ...

Flights across the US could experience “residual delays” Sunday morning as the Federal Aviation Administration works to restore a critical warning system that experienced an outage Saturday night, ...