
The CH-53K King Stallion helicopter successfully completed a 27,000 pound payload external lift test, prime contractor Lockheed Martin [LMT] said Thursday.Sikorsky, a Lockheed Martin company, is developing the King Stallion heavy lift helicopter for the Marine Corps.This was an “out of ground effects” (OGE) external load test at 100 feet above the ground while performing hover maneuvers to demonstrate control authority in the flight regime, Lockheed Martin said. The test occurred at Sikorsky’s Development Flight Test Center in West Palm…