Sikorsky on Jan. 29 said it has started ground runs with the new GE Aerospace [GE] T901 engines integrated on a Black Hawk helicopter, ahead of the first test flight later this year. GE Aerospace ...

"A PSA Airlines Bombardier CRJ700 regional jet collided in midair with a Sikorsky H-60 helicopter while on approach to Runway 33 at Reagan Washington National Airport around 9 p.m. local time.

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.