No fatalities

CESSNA 150L accident at Lyman, WA, 25 Sept 2022

Lyman, WA, United States

On September 25, 2022, a CESSNA 150L was involved in an aviation accident near Lyman, WA. No fatalities were reported. Investigators recorded the probable cause as: The pilot’s delayed decision to exit the valley with rising terrain and failure to maintain clearance from trees. 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 delayed decision to exit the valley with rising terrain and failure to maintain clearance from trees.

— NTSB Determination

Contributing factors

PilotAltitude — Not attained/maintainedEffect on operationEffect on equipment