Casualties unknown

Airplane Nosed Over After Engine Failure Post-Takeoff (N5368)

Williams, CA, US

On May 23, 1984, a Grumman G-164A (registration N5368) was involved in an aviation accident near Williams, CA. Investigators recorded the probable cause as: The failure of the carburetor float shaft retaining mechanism due to a broken safety wire, which resulted in engine power loss and the subsequent forced 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 2026-06-23Data APIEditorial standards

Following an engine power loss shortly after departure, the pilot executed a forced landing in a freshly plowed field. The aircraft nosed over upon impact, with damage traced to a broken safety wire on the carburetor float shaft.

What happened

Shortly after departing the airfield, the engine lost power and the pilot was unable to restart it. He landed in a soft, freshly plowed field. After rolling about 50 ft, the acft nosed over.

The investigation

An exaM revealed that the shaft which holds the float assembly in the carburetor came loose. The safety wire that held the shaft in place was broken.

Probable cause

The failure of the carburetor float shaft retaining mechanism due to a broken safety wire, which resulted in engine power loss and the subsequent forced landing.

Frequently asked questions

What happened in the 23 May 1984 Grumman G-164A accident near Williams, CA?

Following an engine power loss shortly after departure, the pilot executed a forced landing in a freshly plowed field. The aircraft nosed over upon impact, with damage traced to a broken safety wire on the carburetor float shaft.

What aircraft was involved and where did it happen?

The accident on 23 May 1984 involved a Grumman G-164A, registration N5368, at Williams, CA.

What was the probable cause of the accident?

The failure of the carburetor float shaft retaining mechanism due to a broken safety wire, which resulted in engine power loss and the subsequent forced landing.

Investigation report by the U.S. National Transportation Safety Board (NTSB) historical archive. Original record: https://carol.ntsb.gov/event/20001214X39649. This page is a structured re-presentation; facts and quotes are in the National Transportation Safety Board (NTSB), United States.