No fatalities

24 Jul 2024: HILLER UH-12E — Bonners Ferry, ID

Bonners Ferry, ID, United States

On 24 Jul 2024, a HILLER UH-12E was involved in an aviation accident near Bonners Ferry, ID. No fatalities were reported. Investigators recorded the probable cause as: The pilot’s improper selection of a landing site, which resulted in a main rotor strike. Contributing to the accident was the pilot’s improper performance planning and altitude selection over water, which resulted in an rpm droop. This summary draws on records from NTSB; 12 related events involving the same aircraft type or operator are linked below.

SourcesNTSBPrimary reportUpdated 1778583330Data APIEditorial standards

Probable cause

The pilot’s improper selection of a landing site, which resulted in a main rotor strike. Contributing to the accident was the pilot’s improper performance planning and altitude selection over water, which resulted in an rpm droop.

— NTSB Determination

Contributing factors

PilotPowerplant parameters — Not attained/maintainedProp/rotor parameters — Not attained/maintained