Newly released data from ground-based radar came out Tuesday suggesting an Army helicopter was higher than it was supposed to ...
According to an investigative update, the U.S. Army helicopter may have been flying more than 100 feet higher than permitted.
The collision occurred in airspace that is difficult to navigate. Flight data, video and air traffic control audio show how the tragedy unfolded.
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.
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