Casualties unknown

Pilot Becomes Disoriented After Inadvertent Cloud Entry, Collides with Ground (N4477X)

Marshall, MN, US

On August 17, 1993, a Piper PA-28-140 (registration N4477X) operated by Jeffrey L. Shawd was involved in an aviation accident near Marshall, MN. Investigators recorded the probable cause as: THE PILOT'S IMPROPER DECISION TO DEPART AFTER RECEIVING A WEATHER BRIEFING WHICH FORECASTED IMC EN ROUTE AND HIS LOSS OF AIRCRAFT CONTROL DUE TO SPATIAL DISORIENTATION. 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 non-instrument rated pilot departed after being advised of instrument meteorological conditions, encountered deteriorating weather, entered a cloud inadvertently, became disoriented, and was unable to recover from a nose-low descent.

Flight and Weather Conditions

The pilot, who was not rated for instrument flight, received a weather briefing from an FAA briefer. The briefer informed the pilot of instrument meteorological conditions (IMC) along the proposed route. Despite this advisory, the pilot chose to depart and subsequently encountered deteriorating weather conditions during the flight.

Pilot's Report

In his report to the National Transportation Safety Board (NTSB), the pilot stated that he was attempting to execute a turn to avoid low clouds when he inadvertently entered a cloud. Once inside the cloud, he became disoriented. Upon emerging from the cloud, the airplane was in a nose-low attitude and descending.

Loss of Control

The pilot was unable to arrest the descent, and the airplane collided with terrain. No further details regarding the aircraft or injuries were provided in the source.

Frequently asked questions

What happened in the 17 Aug 1993 Piper PA-28-140 accident near Marshall, MN?

A non-instrument rated pilot departed after being advised of instrument meteorological conditions, encountered deteriorating weather, entered a cloud inadvertently, became disoriented, and was unable to recover from a nose-low descent.

What aircraft was involved and where did it happen?

The accident on 17 Aug 1993 involved a Piper PA-28-140, registration N4477X, operated by Jeffrey L. Shawd, at Marshall, MN.

What was the probable cause of the accident?

THE PILOT'S IMPROPER DECISION TO DEPART AFTER RECEIVING A WEATHER BRIEFING WHICH FORECASTED IMC EN ROUTE AND HIS LOSS OF AIRCRAFT CONTROL DUE TO SPATIAL DISORIENTATION.

Investigation report by the U.S. National Transportation Safety Board (NTSB) historical archive. Original record: https://carol.ntsb.gov/event/20001211X13108. This page is a structured re-presentation; facts and quotes are in the National Transportation Safety Board (NTSB), United States.