Casualties unknown

Forced Landing After Engine Power Loss Due to Water Contamination (N33743)

Smoketown, PA, US

On July 24, 1988, a Piper PA-28-140 (registration N33743) operated by Michael L. Kuhn was involved in an aviation accident near Smoketown, PA. Investigators recorded the probable cause as: Water contamination in the fuel system, which resulted in engine power loss during takeoff. 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 2026-06-19Data APIEditorial standards

A pilot was forced to land in a cornfield after the engine lost power shortly after takeoff. Investigation revealed significant water contamination in the fuel system, including the gascolator and selected fuel tank.

What happened

The pilot reported that the engine lost power at approximately 300 feet above ground level following takeoff. Consequently, a forced landing was executed in a cornfield. During the landing roll, the aircraft nosed over.

The investigation

Examination of the wreckage after the accident revealed water contamination within the fuel system. The gascolator was found to be full of water. Additionally, the left fuel tank, which was the tank selected for flight, contained 12 ounces of water.

Findings

The presence of water in the fuel system, specifically filling the gascolator and contaminating the selected left fuel tank, indicates fuel contamination as a critical factor in the loss of engine power.

Probable cause

Water contamination in the fuel system, which resulted in engine power loss during takeoff.

Frequently asked questions

What happened in the 24 Jul 1988 Piper PA-28-140 accident near Smoketown, PA?

A pilot was forced to land in a cornfield after the engine lost power shortly after takeoff. Investigation revealed significant water contamination in the fuel system, including the gascolator and selected fuel tank.

What aircraft was involved and where did it happen?

The accident on 24 Jul 1988 involved a Piper PA-28-140, registration N33743, operated by Michael L. Kuhn, at Smoketown, PA.

What was the probable cause of the accident?

Water contamination in the fuel system, which resulted in engine power loss during takeoff.

Investigation report by the U.S. National Transportation Safety Board (NTSB) historical archive. Original record: https://carol.ntsb.gov/event/20001213X26378. This page is a structured re-presentation; facts and quotes are in the National Transportation Safety Board (NTSB), United States.