Casualties unknown

Engine Failure Forces Landing in Agricultural Field; Aircraft Noses Over (N4020D)

Ashton, ID, US

On October 31, 1992, a Cessna 182A (registration N4020D) operated by Medley, Willy D. was involved in an aviation accident near Ashton, ID. Investigators recorded the probable cause as: A POWER LOSS FOR UNDETERMINED REASONS. A FACTOR CONTRIBUTING TO THE ACCIDENT WAS THE SOFT TERRAIN. 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 2026-07-04Data APIEditorial standards
Aircraft registered N4020D
Aircraft registered N4020D. Photo: wiltshirespotter / CC BY-SA 2.0, via Wikimedia Commons

Approximately 35 minutes into a flight from West Yellowstone, Montana, to St. Anthony, Idaho, the engine abruptly stopped. The pilot performed a forced landing in a soft agricultural field, during which the aircraft nosed over. Post-crash examination found fuel in both tanks and no mechanical malfunction.

Accident Overview

A pilot reported that about 35 minutes after departure, while cruising at approximately 1,500 feet above ground level en route from West Yellowstone, Montana, to St. Anthony, Idaho, the engine suddenly stopped. Attempts to restart the engine were unsuccessful.

Forced Landing

The pilot executed a forced landing in a soft agricultural field. During the landing roll, the aircraft nosed over.

Post-Crash Examination

A post-crash examination revealed evidence of fuel in both fuel tanks. The engine and fuel system were examined, and no mechanical malfunction could be found.

Frequently asked questions

What happened in the 31 Oct 1992 Cessna 182A accident near Ashton, ID?

Approximately 35 minutes into a flight from West Yellowstone, Montana, to St. Anthony, Idaho, the engine abruptly stopped. The pilot performed a forced landing in a soft agricultural field, during which the aircraft nosed over. Post-crash examination found fuel in both tanks and no mechanical malfunction.

What aircraft was involved and where did it happen?

The accident on 31 Oct 1992 involved a Cessna 182A, registration N4020D, operated by Medley, Willy D., at Ashton, ID.

What was the probable cause of the accident?

A POWER LOSS FOR UNDETERMINED REASONS. A FACTOR CONTRIBUTING TO THE ACCIDENT WAS THE SOFT TERRAIN.

Investigation report by the U.S. National Transportation Safety Board (NTSB) historical archive. Original record: https://carol.ntsb.gov/event/20001211X15970. This page is a structured re-presentation; facts and quotes are in the National Transportation Safety Board (NTSB), United States.