19 May 2022: EUROCOPTER AS355 N — Palm Beach, FL
Probable cause
The pilot’s inadequate preflight inspection, which resulted in the unlatched engine cowling opening and being struck by a main rotor blade during flight. Contributing to the accident was the mechanic’s failure to properly secure the cowling following maintenance.
— NTSB Determination
Contributing factors
PilotInadequate inspectionMaintenance personnel