Narrative:

The engine began to overspeed and was uncontrollable. Throttle was rolled to idle and an autorotation with power was made to a safe landing area. Crew was uninjured (single pilot) and aircraft was not damaged.

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Original NASA ASRS Text

Title: R44 pilot reported safely executing an autorotation landing after the engine began to overspeed uncontrollably.

Narrative: The engine began to overspeed and was uncontrollable. Throttle was rolled to idle and an autorotation with power was made to a safe landing area. Crew was uninjured (single pilot) and aircraft was not damaged.

Data retrieved from NASA's ASRS site and automatically converted to unabbreviated mixed upper/lowercase text. This report is for informational purposes with no guarantee of accuracy. See NASA's ASRS site for official report.