Final
1 serious, 1 minor
May 11, 2022
N999GH crash at Livermore, CA
Bell Helicopter Textron Canada 407 — Miscellaneous/other at LA22 (Livermore, CA)
DateMay 11, 2022
Tail numberN999GH
AircraftBell 407 · B407
LocationLA22 — Livermore, CA
Phase of flightManeuvering
OperationPart 133 Exld
Injuries1 serious, 1 minor
NTSB caseWPR22LA174
Probable cause
Loss of engine power due to the pilot inadvertently selecting engine IDLE mode while in flight, which reduced rotor and engine speed to a level that could not sustain flight.
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