Casualties unknown

Pilot Falls Asleep During Night Return Flight, Aircraft Strikes Mountain (N21092)

Garneill, MT, US

On April 6, 1985, a Piper PA-32RT-300T (registration N21092) operated by Maurice Klabunde was involved in an aviation accident near Garneill, MT. Investigators recorded the probable cause as: The pilot reported falling asleep due to fatigue while returning to the departure point. 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

A pilot on a night cross-country flight encountered obscured weather, reversed course, fell asleep momentarily, and awoke to see a mountain ahead. Evasive action was taken but the aircraft pancaked into the mountain.

Incident Overview

A pilot reported that during a night cross-country flight, marginal (obscured) weather conditions were encountered, prompting a reversal of course to return to the departure point. The pilot stated that while returning, he 'dozed off a little bit' and upon awakening, saw a mountain directly ahead. He took evasive action by pulling the aircraft up, but the aircraft pancaked into the mountain.

Pilot Condition

According to the report, the pilot was tired, and while returning, he relaxed and momentarily fell asleep. The incident occurred as a result of the pilot's fatigue and inadvertent sleep during the flight.

Sequence of Events

The flight was conducted at night. After encountering obscured weather, the pilot reversed course. During the return leg, the pilot relaxed and fell asleep. Upon waking, he was confronted with the immediate presence of a mountain. Despite pulling up, the aircraft could not avoid impacting the terrain.

Probable cause

The pilot reported falling asleep due to fatigue while returning to the departure point.

Frequently asked questions

What happened in the 6 Apr 1985 Piper PA-32RT-300T accident near Garneill, MT?

A pilot on a night cross-country flight encountered obscured weather, reversed course, fell asleep momentarily, and awoke to see a mountain ahead. Evasive action was taken but the aircraft pancaked into the mountain.

What aircraft was involved and where did it happen?

The accident on 6 Apr 1985 involved a Piper PA-32RT-300T, registration N21092, operated by Maurice Klabunde, at Garneill, MT.

What was the probable cause of the accident?

The pilot reported falling asleep due to fatigue while returning to the departure point.

Investigation report by the U.S. National Transportation Safety Board (NTSB) historical archive. Original record: https://carol.ntsb.gov/event/20001214X36159. This page is a structured re-presentation; facts and quotes are in the National Transportation Safety Board (NTSB), United States.