The twin-engine, four-blade helicopter is manufactured by Sikorsky, a subsidiary of defense contractor Lockheed Martin. The aircraft involved in Wednesday's collision was an Army version.
The GE T901 engine was developed as part of the Improved Turbine Engine Program to replace the T700 engines used by U.S. Army ...
An American Airlines flight and a Sikorsky military helicopter collided and crashed into the Potomac River near Reagan National Airport on Wednesday night and officials said Thursday morning that ...