No fatalities

HUGHES 369D accident at Winthrop, WA, 9 Jan 2021

Winthrop, WA, United States

On January 9, 2021, a HUGHES 369D was involved in an aviation accident near Winthrop, WA. No fatalities were reported. Investigators recorded the probable cause as: The pilot’s failure to adequately monitor the environment which resulted in a collision with a snowbank and subsequent loss of control. 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 pilot’s failure to adequately monitor the environment which resulted in a collision with a snowbank and subsequent loss of control.

— NTSB Determination

Contributing factors

PilotEffect on operation