Preliminary data shows the Black Hawk was flying at an altitude of 325 feet at the time of the crash ... The NTSB is leading the investigation as it probes another plane crash. Two days after the D.C.

A U.S. Army Black Hawk helicopter crash in Washington D.C., resulting in 67 deaths, is under investigation. President Trump highlighted altitude violations as a potential cause. Defense Secretary Pete ...

In a press conference Friday afternoon, D.C. Fire and EMS Chief John Donnelly ... Then, shortly before 9 p.m. EST, the two aircraft crashed in a low-altitude collision as the commercial plane ...

Altitude, staffing and communication are some ... were killed in the fireball collision near the Washington, D.C.'s Reagan National Airport, marking the deadliest U.S. air crash since 2001.