No fatalities

PIPER PA-18A 150 accident at Dallesport, WA, 27 Feb 2024

Dallesport, WA, United States

On February 27, 2024, a PIPER PA-18A 150 was involved in an aviation accident near Dallesport, WA. No fatalities were reported. Investigators recorded the probable cause as: The pilot’s failure to disengage the ignition prior to moving the propeller by hand resulting in the inadvertent starting of the engine. 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 disengage the ignition prior to moving the propeller by hand resulting in the inadvertent starting of the engine.

— NTSB Determination

Contributing factors

PilotIncorrect use/operation