Top US officials said a military helicopter was on a regular training mission when it collided with a civilian airliner over ...

The GE T901 engine was developed as part of the Improved Turbine Engine Program to replace the T700 engines used by U.S. Army ...

A former helicopter pilot familiar with the incident area says city lights, crowded airspace and the use of night vision ...

The two pilots had a combined total of 1,500 flight hours and the crew chief was a senior aviator with at least 500 hours in ...

The military helicopter that collided with a regional jet near Ronald Reagan Washington National Airport in a crash that ...

The crew of the Army Black Hawk helicopter involved in the deadly collision with a jetliner had thousands of hours of flight ...