A Washington, D.C.-area helicopter pilot says Army Black Hawk was flying published route and on appropriate radio frequency.

The audio indicates that air traffic controllers tried to warn the Army helicopter about a nearby Canadair Regional Jet.

Air Traffic Control (ATC) audio from Wednesday’s collision between an Army Black Hawk helicopter and an American Airlines jet ...

Audio from an air traffic control tower at Northeast Philadelphia Airport reveals the horrific moments before a medical ...

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

Air traffic controllers radioed to the pilots of the regional jet, asking if they could adjust to land at Washington’s ...

Air traffic control audio from a plane crash near Ronald Reagan National Airport sheds light on the moments before and after ...

Air traffic control communications reveal the moments when controllers tried to reach a doomed jet in Philadelphia, which ...

While there was no immediate word on any casualties, all takeoffs and landings from the airport near Washington were halted.