US probing 'bad data' possibly used by Black Hawk crew before deadly crash, officials say
The mid-air collision between the helicopter and the American Airlines Bombardier jet killed 67 people. Read more at ...
Black Hawk pilots may have missed air traffic directive, flown on ‘bad’ altitude data before crash
It is likely the Black Hawk pilots “stepped on” the communication for less than a second by pressing the microphone key to ...