Casualties unknown

Engine Failure Due to Fuel Contamination During Takeoff (N915Q)

Bloomington, IL, US

On August 13, 1989, a Beech A33 (registration N915Q) was involved in an aviation accident near Bloomington, IL. Investigators recorded the probable cause as: Fuel system contamination consisting of water, debris, and rust-like particulate, which caused an 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 2026-06-10Data APIEditorial standards

An aircraft lost power shortly after takeoff due to fuel system contamination, resulting in a forced landing into a cornfield.

What happened

Shortly after initiating the takeoff roll, the aircraft climbed through approximately 100 feet above the ground when the engine suddenly lost power. The pilot was forced to execute an emergency landing at the departure end of the runway. Upon touchdown, the aircraft continued its momentum across a grassy area and entered a field of mature corn before coming to a complete stop.

The investigation

A post-accident examination of the aircraft revealed significant contamination within the fuel system. Inspectors identified the presence of water, debris, and a rust-like particulate matter. To determine if the engine itself was mechanically sound, technicians tested the engine using clean fuel. The test confirmed that the engine ran up normally when supplied with uncontaminated fuel, indicating that the mechanical components were functional.

Findings

The primary factor leading to the incident was fuel system contamination. The presence of water and particulate matter disrupted normal engine operation during the critical climb phase. The fact that the engine performed correctly with clean fuel isolates the issue to the fuel supply rather than internal engine failure.

Probable cause

Fuel system contamination consisting of water, debris, and rust-like particulate, which caused an 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/20001213X29081. This page is a structured re-presentation; facts and quotes are in the National Transportation Safety Board (NTSB), United States.