President Trump said the crash was a "tragedy of terrible proportions" and told family members "Our hearts are shattered alongside yours."

Several federal and state investigations have been launched after an American Airlines flight and a military helicopter collided near Ronald Reagan Washington National Airport and fell into the Potomac River,

The U.S. Army helicopter that collided with an passenger jet near Washington, D.C., had an advanced surveillance system turned off.

In an update on Tuesday, officials say that transcriptions for both aircrafts cockpit voice recordings are ongoing.

A 3-D model created by The Times visualizes the helicopter pilots’ field of view minutes before a fatal crash with a jet in Washington.

Data retrieved by the National Transportation Safety Board confirmed the Army Black Hawk helicopter that crashed into a passenger plane near D.C. was flying too high.

The Army pilots were juggling dark skies, low altitude, a busy airspace and a cockpit without certain traffic detectors before the helicopter’s midair crash with a regional passenger jet.