The American Airlines crash occurred in some of the country's most congested and highly controlled airspace
American Eagle flight 5342 collided with a Black Hawk helicopter over the Potomac River, home to some of the country's most restricted airspace.
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Rescuers recover 28 bodies and offer little hope of finding air crash survivors
An American Airlines jet and a US army helicopter collided close to the runway of Ronald Reagan National Airport near Washington DC.