What we know about the American Airlines plane and Army helicopter crash over D.C.'s Potomac River
A regional jet carrying 64 people collided with an Army Black Hawk helicopter carrying three soldiers. Here's what we know about the incident so far.
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Latest radar evidence suggests Black Hawk in DC disaster was flying too high, but NTSB wants more proof
Newly released data from ground-based radar came out Tuesday suggesting an Army helicopter was higher than it was supposed to ...