No fatalities

11 Aug 2025: HILLER UH-12E — ANTHONY GHIDOSSI CHEMICAL — Fobes Hill, WA

Fobes Hill, WA, United States

On 11 Aug 2025, a HILLER UH-12E operated by ANTHONY GHIDOSSI CHEMICAL was involved in an aviation accident near Fobes Hill, WA. No fatalities were reported. Investigators recorded the probable cause as: The pilot’s abrupt maneuver to avoid a powerline during an aerial application flight, which resulted in the helicopter’s impact with terrain. 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 abrupt maneuver to avoid a powerline during an aerial application flight, which resulted in the helicopter’s impact with terrain.

— NTSB Determination

Contributing factors

PilotContributed to outcomeResponse/compensation