The Friday letter came two days after a midair collision between a Black Hawk helicopter and a commercial airliner near the national’s capitol killed 67.

Recovery crews and divers searched the Potomac River for remains and cleared wreckage Saturday from the midair collision of a passenger jet and Army helicopter that killed 67 people.

Just before a Medevac jet crashed Friday in north Philadelphia, the air traffic control tower knew something was wrong and closed the airfield.

Philadelphia’s mayor has said one person on the ground was killed and 19 were injured when an air ambulance crashed in the ...

President Donald Trump wasted little time this week trying to assign blame for the nation's deadliest air disaster in more than two decades.

A midair collision between an American Airlines regional jet and a Blackhawk Army helicopter in Washington, D.C., late ...