RTX's Collins Aerospace Secures $80 Million Black Hawk Avionics Upgrade Contract
RTX Corp's Collins Aerospace secures $80M contract to upgrade U.S. Army Black Hawk helicopters with MOSA-compliant Mosarc ...
HuffPost6d
NTSB Reveals Altitude Discrepancies, Lost Communication With Helicopter Before Crash
As both aircraft grew steadily closer, air traffic control again asked the Black Hawk helicopter if the passenger plane was in sight. The tower then immediately directed the helicopter to pass behind ...