Accident Overview
A helicopter experienced a loss of engine power during a test flight conducted after its annual inspection. According to the pilot, the aircraft was at an altitude of approximately 300 feet above ground level with an airspeed of 50 miles per hour when the engine failed. The pilot initiated an autorotation and maneuvered to avoid obstacles, but the helicopter subsequently impacted the terrain and rolled over.
Post-Accident Findings
Examination of the helicopter after the accident revealed significant corrosion within the fuel system. Specifically, the fuel pump was found to contain corrosion. Additionally, the fuel injector had a white powdery substance present in nearly every port. The fuel injector finger screen was also corroded.
Remarks
No other details regarding the aircraft, operator, or injuries have been released. The investigation is ongoing.