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Casualties unknown

Runway Excursion and Landing Gear Collapse Following Loss of Directional Control (N1931D)

Spencer, IA, US

On June 7, 1987, a Beech C35 (registration N1931D) operated by James S.michelsen was involved in an aviation accident near Spencer, IA. Investigators recorded the probable cause as: The pilot failed to maintain directional control during landing. 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

During landing, the pilot failed to maintain directional control, causing the aircraft to swerve off the runway. The landing gear collapsed, resulting in substantial damage. The pilot and passenger exhibited irrational behavior prior to departure and later were arrested for drug possession.

Accident Details

During the landing, the pilot-in-command failed to maintain directional control of the aircraft. The airplane swerved off the runway, and the landing gear collapsed. The aircraft sustained substantial damage.

Pre-Accident Behavior

Witnesses reported that the pilot and a passenger were behaving irrationally prior to departing from the airport.

Post-Accident Events

After the accident, the pilot left the scene. Two days passed before the authorities were notified of the incident.

Arrest

The following week, the pilot and passenger were arrested for possession of drug paraphernalia and drugs. At the time of arrest, police reported that both individuals appeared to be under the influence of drugs. The pilot admitted to being a drug user.

Probable cause

The pilot failed to maintain directional control during landing.

Frequently asked questions

What happened in the 7 Jun 1987 Beech C35 accident near Spencer, IA?

During landing, the pilot failed to maintain directional control, causing the aircraft to swerve off the runway. The landing gear collapsed, resulting in substantial damage. The pilot and passenger exhibited irrational behavior prior to departure and later were arrested for drug possession.

What aircraft was involved and where did it happen?

The accident on 7 Jun 1987 involved a Beech C35, registration N1931D, operated by James S.michelsen, at Spencer, IA.

What was the probable cause of the accident?

The pilot failed to maintain directional control during landing.

More accident analyses

Investigation report by the U.S. National Transportation Safety Board (NTSB) historical archive. Original record: https://carol.ntsb.gov/event/20001213X31285. This page is a structured re-presentation; facts and quotes are in the National Transportation Safety Board (NTSB), United States.