No fatalities

PIPER PA-20 accident at Oshkosh, WI, 18 Jul 2025

Oshkosh, WI, United States

On July 18, 2025, a PIPER PA-20 was involved in an aviation accident near Oshkosh, WI. No fatalities were reported. Investigators recorded the probable cause as: The pilot’s aggressive brake application which resulted in a loss of directional control and a ground loop. 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 aggressive brake application which resulted in a loss of directional control and a ground loop.

— NTSB Determination

Contributing factors

Directional control — Not attained/maintainedPilot

Frequently asked questions

What happened in the 18 Jul 2025 PIPER PA-20 accident near Oshkosh, WI?

The pilot’s aggressive brake application which resulted in a loss of directional control and a ground loop.

Were there any fatalities in the 18 Jul 2025 PIPER PA-20 accident?

No fatalities were recorded in this accident.

What aircraft was involved and where did it happen?

The accident on 18 Jul 2025 involved a PIPER PA-20, at Oshkosh, WI.

What was the probable cause of the accident?

The pilot’s aggressive brake application which resulted in a loss of directional control and a ground loop.