No fatalities

WILLIAMS HELICOPTER CORP UH-1H accident at Colusa, CA, 30 Aug 2024

Colusa, CA, United States

On August 30, 2024, a WILLIAMS HELICOPTER CORP UH-1H operated by A&P HELICOPTERS INC was involved in an aviation accident near Colusa, CA. No fatalities were reported. Investigators recorded the probable cause as: The pilot’s failure to set collective friction which resulted in collective bounce and subsequent loss of control. This summary draws on records from NTSB; 2 related events involving the same aircraft type or operator are linked below.

SourcesNTSBPrimary reportUpdated 2026-08-03Data APIEditorial standards

Probable cause

The pilot’s failure to set collective friction which resulted in collective bounce and subsequent loss of control.

— NTSB Determination

Contributing factors

Pilot