Casualties unknown

Light Aircraft Crashes Into Forested Terrain During Pleasure Flight (N6422S)

Herbster, WI, US

On October 11, 1993, a Cessna R182 (registration N6422S) was involved in an aviation accident near Herbster, WI. Investigators recorded the probable cause as: The pilot's failure to maintain adequate terrain clearance during a pleasure flight, as evidenced by the witness accounts of low-level flight over rising terrain and the wreckage indicating high speed at impact. This summary draws on records from the U.S. National Transportation Safety Board (NTSB) historical archive.

Sourcesthe U.S. National Transportation Safety Board (NTSB) historical archivePrimary reportUpdated 2026-06-19Data APIEditorial standards

A pleasure flight to view fall colors ended in a crash into treetops on rising terrain. Witnesses observed the airplane flying low before impact, with wreckage indicating high speed and engine power at the time of the accident.

What happened

The pilot and a passenger departed on a pleasure flight intended for sightseeing, specifically to view fall colors in the area. During the flight, witnesses observed the airplane making a sharp turn before flying away low over rising, forested terrain. The aircraft subsequently entered the treetops while following a shallow trajectory.

The investigation

Post-accident examination of the wreckage revealed conditions consistent with high speed and engine power at the moment of impact. Investigators found no preimpact mechanical anomalies during the post-accident investigation, suggesting the aircraft systems were functioning normally prior to the collision with the terrain.

Findings

The flight path described by witnesses—turning sharply and flying low over rising ground—contributed to the loss of control or inability to clear the terrain. The absence of mechanical failures indicates that the accident was likely due to operational factors rather than equipment malfunction.

Probable cause

The pilot's failure to maintain adequate terrain clearance during a pleasure flight, as evidenced by the witness accounts of low-level flight over rising terrain and the wreckage indicating high speed at impact.

Frequently asked questions

What happened in the 11 Oct 1993 Cessna R182 accident near Herbster, WI?

A pleasure flight to view fall colors ended in a crash into treetops on rising terrain. Witnesses observed the airplane flying low before impact, with wreckage indicating high speed and engine power at the time of the accident.

What aircraft was involved and where did it happen?

The accident on 11 Oct 1993 involved a Cessna R182, registration N6422S, at Herbster, WI.

What was the probable cause of the accident?

The pilot's failure to maintain adequate terrain clearance during a pleasure flight, as evidenced by the witness accounts of low-level flight over rising terrain and the wreckage indicating high speed at impact.

Investigation report by the U.S. National Transportation Safety Board (NTSB) historical archive. Original record: https://carol.ntsb.gov/event/20001211X13525. This page is a structured re-presentation; facts and quotes are in the National Transportation Safety Board (NTSB), United States.