No fatalities
27 Jun 2023: HUGHES 269A — Anderson, SC
On 27 Jun 2023, a HUGHES 269A was involved in an aviation accident near Anderson, SC. No fatalities were reported. Investigators recorded the probable cause as: The mechanics’ improper torquing of the main rotor blade dampers, which resulted in a ground resonance event during landing. This summary draws on records from NTSB; 12 related events involving the same aircraft type or operator are linked below.
Probable cause
The mechanics’ improper torquing of the main rotor blade dampers, which resulted in a ground resonance event during landing.
— NTSB Determination
Contributing factors
Incorrect service/maintenanceMaintenance personnel