Casualties unknown

Cessna aerial application aircraft crashes after engine failure (N8946H)

Burley, ID, US

On July 8, 1995, a Grumman G-164A (registration N8946H) was involved in an aviation accident near Burley, ID. Investigators recorded the probable cause as: The engine stopped because the rear throw of the crankshaft failed due to fatigue. 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 2026-06-22Data APIEditorial standards

A Cessna aircraft experienced a sudden engine stoppage during an aerial application run, leading to a forced landing where the plane collided with rocks and nosed over due to crankshaft fatigue.

What happened

The pilot was conducting an aerial application flight when the engine suddenly stopped. During the subsequent forced landing roll, the aircraft collided with a pile of rocks and nosed over.

The investigation

Mechanics disassembled the engine to determine the cause of the failure. Examination revealed that the rear throw of the crankshaft had failed due to fatigue.

Probable cause

The engine stopped because the rear throw of the crankshaft failed due to fatigue.

Frequently asked questions

What happened in the 8 Jul 1995 Grumman G-164A accident near Burley, ID?

A Cessna aircraft experienced a sudden engine stoppage during an aerial application run, leading to a forced landing where the plane collided with rocks and nosed over due to crankshaft fatigue.

What aircraft was involved and where did it happen?

The accident on 8 Jul 1995 involved a Grumman G-164A, registration N8946H, at Burley, ID.

What was the probable cause of the accident?

The engine stopped because the rear throw of the crankshaft failed due to fatigue.

Investigation report by the U.S. National Transportation Safety Board (NTSB) historical archive. Original record: https://carol.ntsb.gov/event/20001207X04083. This page is a structured re-presentation; facts and quotes are in the National Transportation Safety Board (NTSB), United States.