No fatalities

PIPER PA-18-150 accident at Wasilla, AK, 20 Aug 2021

Wasilla, AK, United States

On August 20, 2021, a PIPER PA-18-150 was involved in an aviation accident near Wasilla, AK. No fatalities were reported. Investigators recorded the probable cause as: The pilot’s inability to maintain control of the airplane during taxi after it encountered the prop wash from a larger airplane that was conducting a high-power engine run on the same taxiway. 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 inability to maintain control of the airplane during taxi after it encountered the prop wash from a larger airplane that was conducting a high-power engine run on the same taxiway.

— NTSB Determination

Contributing factors

Capability exceededAbility to respond/compensate