No fatalities

PIPER J3C-85 accident at Woodburn, OR, 5 Aug 2021

Woodburn, OR, United States

On August 5, 2021, a PIPER J3C-85 operated by TWIN OAKS AIRPARK INC was involved in an aviation accident near Woodburn, OR. No fatalities were reported. Investigators recorded the probable cause as: The pilot’s failure to maintain clearance during takeoff from a person on the ground who sustained a serious injury as a result of the collision. This summary draws on records from NTSB; 3 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 maintain clearance during takeoff from a person on the ground who sustained a serious injury as a result of the collision.

— NTSB Determination

Contributing factors

PilotEffect on operation

Frequently asked questions

What happened in the 5 Aug 2021 PIPER J3C-85 accident near Woodburn, OR?

The pilot’s failure to maintain clearance during takeoff from a person on the ground who sustained a serious injury as a result of the collision.

Were there any fatalities in the 5 Aug 2021 PIPER J3C-85 accident?

No fatalities were recorded in this accident.

What aircraft was involved and where did it happen?

The accident on 5 Aug 2021 involved a PIPER J3C-85, operated by TWIN OAKS AIRPARK INC, at Woodburn, OR.

What was the probable cause of the accident?

The pilot’s failure to maintain clearance during takeoff from a person on the ground who sustained a serious injury as a result of the collision.