WASHINGTON — Major air safety failures and last-minute mistakes caused Thursday night’s midair collision over the Potomac River that left 67 people dead, according to expert observers and officials.

None are believed to have survived the Wednesday night collision, which caused both aircraft to plunge into the frigid ...

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

There are many questions online about how the fatal crash between a passenger jet and Army helicopter. Here’s what we can VERIFY so far.

A look at the victims of Wednesday’s devastating mid-air collision between an American Airlines jet and a U.S. Army ...

The crew of the Army Black Hawk helicopter involved in the deadly collision with a jetliner had thousands of hours of flight ...

An American Airlines regional jet went down in the Potomac River near Washington, D.C.'s Ronald Reagan Washington National ...

There are no survivors after PSA Airlines Bombardier CRJ700 regional jet collided with a Black Hawk helicopter. Here's what ...

As many as 60 passengers and four crew members were aboard American Eagle Flight 5342, and the Black Hawk helicopter was ...

The FAA and NTSB have launched an investigation into how an American Airlines flight collided with a military helicopter over ...

Authorities have switched to a recovery mission in the Potomac River following a midair collision between an American Eagle ...