Map: See the paths of the plane and military helicopter that collided in Washington, D.C.
Officials said Thursday they believe there are no survivors.The American Airlines plane was landing after a two-hour, ...
Aspen Public Radio13d
Map: A look at helicopter traffic patterns over D.C.
Several helicopter routes pass by and even over DCA, including the one followed by the Black Hawk helicopter that crashed ...
How air safety failures and last-minute mistakes set American Airlines jet, Black Hawk chopper on deadly DC collision course
The Post can reveal that miscommunications in one of the most crowded and complex patches of sky in the US are likely to ...