CBS News analysis finds warning signs of collision danger before deadly D.C. plane crash
A CBS News data analysis reveals red flags about collision dangers in the airspace around Washington's Reagan National Airport. For a year leading up to January's deadly midair collision, there were close encounters between helicopters and aircraft nearly every day.
A CBS News data analysis reveals red flags about collision dangers in the airspace around Washington's Reagan National Airport. For a year leading up to January's deadly midair collision, there were close encounters between helicopters and aircraft nearly every day.
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