Timeline of air traffic controllers issuing warnings before American Airlines plane, Black Hawk helicopter collision in DC
The plane, which took off from Wichita, Kan., with 64 people on board, was landing at Reagan National – traveling north ...
Napa Valley Register4h
Mid-air collision draws attention to military helicopter training, previous accidents
There were a dozen fatal crashes during Army Black Hawk training missions since January 2014 that claimed the lives of 47 ...