Casualties unknown

1997-08-11: Grumman G-164 (N634U) — Wilmot Aviation, Inc. — Wilmot, AR

Wilmot, AR, US

On August 11, 1997, a Grumman G-164 (registration N634U) operated by Wilmot Aviation, Inc. was involved in an aviation accident near Wilmot, AR. Investigators recorded the probable cause as: Fractured throttle cable due to excessive wear and fatigue cracking. 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 1781061362Data APIEditorial standards

A forced landing was initiated after total engine power loss due to a fractured throttle cable from wear and fatigue. The pilot, who felt nauseated but continued flying, died from acute thrombosis and injuries. Seat belt was not worn.

Accident Overview

A pilot initiated a forced landing following a total loss of engine power while conducting aerial application flights. The aircraft was found upside down in a cotton field by a land owner, who called 911. The pilot was not wearing a seat belt or shoulder harness.

Investigation Findings

Examination revealed a fractured throttle cable caused by excessive wear and fatigue cracking. The cable's fractured area was located within the cable housing, making it inaccessible for inspection. The aircraft, manufactured in 1965, had accumulated 10,001.96 hours of operation. No evidence indicated that the throttle cable had ever been replaced.

Pilot and Aircraft Information

The pilot reported feeling nauseated during the mid-afternoon flights but continued the mission. The aircraft was a 1965 model, with no record of throttle cable replacement throughout its operational history.

Medical Findings

Autopsy results determined that the pilot's cause of death was acute thrombosis of the left anterior descending coronary artery, complicated by multiple injuries sustained in the accident. The pathologists also reported evidence of compressional asphyxia.

Probable cause

Fractured throttle cable due to excessive wear and fatigue cracking.

Investigation report by the U.S. National Transportation Safety Board (NTSB) historical archive. Original record: https://carol.ntsb.gov/event/20001208X08610. This page is a structured re-presentation; facts and quotes are in the National Transportation Safety Board (NTSB), United States.