WASHINGTON — The aircraft involved in the mid-air collision earlier this year over Ronald Reagan National Airport lacked certain collision avoidance systems that could have helped an Army helicopter ...

A former Black Hawk helicopter operator has suggested the U.S. military install collision avoidance systems into military aircrafts. On Wednesday night, a Black Hawk helicopter collided with an ...

The agency will issue a final report on the accident in the coming weeks.

The American Airlines plane in the Potomac River after it collided in midair with a military helicopter and crashed in Washington, DC. Photo: Getty Images The American Airlines flight from Wichita, ...

The Federal Aviation Administration launched an investigation into multiple mid-air collision warnings heard by more than a dozen flights on the approach to Ronald Reagan National Airport this past ...

What 'rush hour' looks like in New York on the TCAS system. (Alamy) Authorities believe everyone on board a passenger plane and a US Army helicopter that collided in mid-air before crashing into a ...

NEW YORK -- As we learn more about the deadly midair collision between a regional passenger jet and military helicopter in Washington, D.C., authorities are searching for clues that will help them ...

French investigators probing incidents involving losses of transponder and collision-avoidance capability on Airbus jets are warning that further occurrences are likely before software patches for a ...

NTSB investigators said a safety alert could have raised situational awareness.