Casualties unknown

Engine Failure and Crash of Private Aircraft on Takeoff (N9698P)

Mansfield, OH, US

On August 30, 1986, a Piper PA-18-150 (registration N9698P) was involved in an aviation accident near Mansfield, OH. 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 2026-06-10Data APIEditorial standards

A private aircraft departed a sod strip, experienced an engine failure during climb, stalled, and crashed with a post-impact fire. The engine showed no mechanical defects after the crash.

What happened

The aircraft departed from a private sod airstrip. According to statements provided by the pilot's father, the engine operated normally during the run-up phase prior to takeoff. The aircraft appeared to be climbing with a normal attitude when the engine suddenly quit. Following the loss of power, the aircraft stalled and subsequently impacted the ground in a near-vertical nose-down orientation. A post-impact fire occurred following the collision.

The investigation

A thorough examination of the engine was conducted after the crash. Investigators found no evidence of an engine malfunction during this post-crash inspection. The mechanical integrity of the powerplant could not be confirmed as the cause of the failure based on physical evidence alone.

Findings

The sequence of events indicates a sudden loss of engine power during the initial climb phase. The aircraft's attitude at the time of failure was normal, suggesting no pilot error in control inputs prior to the event. The subsequent stall and vertical impact were direct consequences of the power loss at low altitude. The absence of mechanical defects found during the post-crash examination leaves the specific cause of the engine stoppage undetermined.

Safety message

Pilots operating from unimproved surfaces should be aware that sudden engine failures can occur without prior warning signs, even when pre-flight checks appear normal. Immediate recognition of power loss and execution of emergency procedures are critical for survival in such scenarios.

Investigation report by the U.S. National Transportation Safety Board (NTSB) historical archive. Original record: https://carol.ntsb.gov/event/20001213X34382. This page is a structured re-presentation; facts and quotes are in the National Transportation Safety Board (NTSB), United States.