What is a Black Hawk, the helicopter involved in the deadly American Airlines crash?
The Black Hawk is a US Army workhorse helicopter. It has been flying for decades. One tragically collided with a passenger ...
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 ...
Experts ask why Black Hawk helicopter may have been flying above allowed altitude before crash
This data point is one of several key mysteries investigators are exploring as they seek to explain what caused the nation's ...