An American Airlines regional jet went down in the Potomac River near Ronald Reagan Washington National Airport.

While investigators say they'll have a preliminary report in about a month -- those in the aviation industry don't expect the final report to be done for a year.

The collision involving an American Airlines jet and a U.S. Army Black Hawk helicopter over the frigid waters of the Potomac ...

RENO, Nev. (KOLO) - The Nevada National Air Guard says these are the safety measures they have in place, to try to mitigate ...

An Army Black Hawk helicopter collided with a regional jet near Ronald Reagan Washington National Airport on Wednesday evening, U.S. officials confirmed to ABC News.

At least 28 bodies, including all three soldiers who were on the helicopter, have been pulled from the icy waters of the Potomac River as recovery operations continue.

Handout/Petty Officer 1st Class Brandon Giles/U.S. Coast Guard via Getty Images (WASHINGTON) — The three soldiers of the Army ...

The catastrophe immediately raised questions about the close proximity in which helicopters and jetliners soar over the busy ...

Feller, who served as an instructor pilot for the D.C. National Guard, said he had several rules for new pilots to avoid such ...

There were no survivors after a collision between an American Airlines passenger jet and an Army helicopter at Ronald Reagan ...