No fatalities

PIPER PA-18A 150 accident at Denali, AK, 4 Sept 2024

Denali, AK, United States

On September 4, 2024, a PIPER PA-18A 150 was involved in an aviation accident near Denali, AK. No fatalities were reported. Investigators recorded the probable cause as: Failure to maintain clearance from terrain due to the airplane’s encounter with windshear during takeoff. 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

Failure to maintain clearance from terrain due to the airplane’s encounter with windshear during takeoff.

— NTSB Determination

Contributing factors

PilotEffect on operationClimb rate — Not attained/maintained