Data confirmed that the air traffic controller alerted the helicopter to the presence of the CRJ-700 about two minutes before the crash.

Jonathan Koziol, a retired Army chief warrant officer with more than 30 years of flight experience, told reporters that the flight was a nighttime qualification flight with an instructor pilot evaluating an experienced pilot on the flight routes that their unit routinely flies day and night around the Potomac River.

Data from air traffic control radar showed the military chopper was flying at 300 feet on the air traffic control display at the time of the fiery crash, according to the NTSB.

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.

A military helicopter was flying above the maximum altitude for its route when it collided with a passenger plane near Washington D.C. last week, authorities said. The National Transportation Safety Board said in an update on Tuesday that it obtained data,

After American Airlines Flight 5342 and a U.S. Army helicopter collided mid-air, officials share insight into the respective pilots’ communication with air traffic control.