No fatalities

BELL OH-58A accident at Holtville, CA, 9 Nov 2021

Holtville, CA, United States

On November 9, 2021, a BELL OH-58A operated by Farm Aviation was involved in an aviation accident near Holtville, CA. No fatalities were reported. Investigators recorded the probable cause as: The pilot’s failure to maintain helicopter control after becoming spatially disoriented when the helicopter entered low-level haze/fog. This summary draws on records from NTSB; 13 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 maintain helicopter control after becoming spatially disoriented when the helicopter entered low-level haze/fog.

— NTSB Determination

Contributing factors

PilotEffect on operation