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NAVAIR Declares CH-53K Engines Issues Solved

NAVAIR Declares CH-53K Engines Issues Solved
Colored oil smoke indicates rotor wake and wind effects while external “tufts” adhered to the outside of the CH-53K King Stallion show surface airflow. These efforts were used to validate a modification that mitigates Exhaust Gas Re-ingestion for the new Marine Corps aircraft in a test at Naval Air Station Patuxent River, Md. on April 4, 2019. (Photo: U.S. Navy)

The Naval Air Systems Command (NAVAIR) said a team of government and industry engineers have solved and mitigated an engine integration issue for the CH-53K King Stallion helicopter this week. During flight tests, the Marine Corps found several design deficiencies in the aircraft, including a re-ingestion of exhaust into the helicopter’s three engines. These issues delayed operational testing and pushed back the CH-53K’s entry into service to at least 2021 (Defense Daily, May 6). The Navy said a “tiger team”…

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