No fatalities

PIPER PA-18-150 accident at Willow, AK, 3 Jun 2025

Willow, AK, United States

On June 3, 2025, a PIPER PA-18-150 operated by Blue River Aviation was involved in an aviation accident near Willow, AK. No fatalities were reported. Investigators recorded the probable cause as: The flight instructor’s delayed remedial action/lack of supervision. Contributing to the accident was the pilot receiving instructions failure to maintain directional control during the landing roll in gusting wind conditions, which resulted in a ground loop. This summary draws on records from NTSB; 13 related events involving the same aircraft type or operator are linked below.

SourcesNTSBPrimary reportUpdated 2026-08-03Data APIEditorial standards

Probable cause

The flight instructor’s delayed remedial action/lack of supervision. Contributing to the accident was the pilot receiving instructions failure to maintain directional control during the landing roll in gusting wind conditions, which resulted in a ground loop.

— NTSB Determination

Contributing factors

Directional control — Not attained/maintainedPilotInstructor/check pilotEffect on operation

Frequently asked questions

What happened in the 3 Jun 2025 PIPER PA-18-150 accident near Willow, AK?

The flight instructor’s delayed remedial action/lack of supervision. Contributing to the accident was the pilot receiving instructions failure to maintain directional control during the landing roll in gusting wind conditions, which resulted in a ground loop.

Were there any fatalities in the 3 Jun 2025 PIPER PA-18-150 accident?

No fatalities were recorded in this accident.

What aircraft was involved and where did it happen?

The accident on 3 Jun 2025 involved a PIPER PA-18-150, operated by Blue River Aviation, at Willow, AK.

What was the probable cause of the accident?

The flight instructor’s delayed remedial action/lack of supervision. Contributing to the accident was the pilot receiving instructions failure to maintain directional control during the landing roll in gusting wind conditions, which resulted in a ground loop.