No fatalities

HUGHES 269A accident at Anderson, SC, 27 Jun 2023

Anderson, SC, United States

On June 27, 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.

SourcesNTSBPrimary reportUpdated 2026-08-03Data APIEditorial standards

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