Latest news and live updates after a Black Hawk helicopter collided with an American Airlines jet over the Potomac River this week, killing 67 people.

Reports by pilots and government investigators show how concerns over coordinating airplane and helicopter traffic at Reagan National Airport go back decades.

There are thousands of them across the country who are designated by the Federal Aviation Administration. They conduct the thorough physical tests on pilots at any time and can sign off, defer or deny ...

The airspace above Reagan National Airport, where a commercial plane collided with an Army helicopter this week, has become increasingly congested with air traffic, including helicopters.

A 3D rendering shows the approximate altitude and paths of the plane and helicopter moments before the collision.