Casualties unknown

Power Loss During Final Approach Leads to Forced Landing; Engine Idler Gear Teeth Separated (N739PE)

Sandston, VA, US

On October 6, 1988, a Cessna 172 (registration N739PE) operated by Randolph S. Scott was involved in an aviation accident near Sandston, VA. This summary draws on records from the U.S. National Transportation Safety Board (NTSB) historical archive; 1 related events involving the same aircraft type or operator are linked below.

Sourcesthe U.S. National Transportation Safety Board (NTSB) historical archivePrimary reportUpdated 2026-07-04Data APIEditorial standards

A pilot reported a power loss on final approach and performed a forced landing in an open field. Examination revealed separation of two teeth on the idler gear due to overload.

Event

A pilot reported that while on final approach at an altitude of approximately 600 to 800 feet above ground level, a loss of engine power occurred. The pilot subsequently performed a forced landing in an open field approximately half a mile short of the runway.

Engine Examination

An examination of the engine revealed that two teeth of the idler gear had separated. This separation resulted in a loss of continuity between the crankshaft, the camshaft, and the left magneto. A metallurgical examination disclosed that the teeth separated because of overload.

Additional Information

The engine had been installed on another aircraft that was involved in an accident, the details of which were not determined.

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Frequently asked questions

What happened in the 6 Oct 1988 Cessna 172 accident near Sandston, VA?

A pilot reported a power loss on final approach and performed a forced landing in an open field. Examination revealed separation of two teeth on the idler gear due to overload.

What aircraft was involved and where did it happen?

The accident on 6 Oct 1988 involved a Cessna 172, registration N739PE, operated by Randolph S. Scott, at Sandston, VA.

Investigation report by the U.S. National Transportation Safety Board (NTSB) historical archive. Original record: https://carol.ntsb.gov/event/20001213X26994. This page is a structured re-presentation; facts and quotes are in the National Transportation Safety Board (NTSB), United States.