Casualties unknown

Partial Engine Power Loss Leads to Short Landing During Return Attempt (N8705Z)

Lees Summit, MO, US

On September 2, 1989, a Cessna 206A (registration N8705Z) was involved in an aviation accident near Lees Summit, MO. Investigators recorded the probable cause as: ENGINE PARTIAL POWER LOSS DUE TO WATER IN THE AIRCRAFT FUEL SYSTEM, AND AN INADEQUATE PREFLIGHT. 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 2026-07-04Data APIEditorial standards

During climb out, the pilot experienced partial engine power loss and attempted to return to the departure runway, but the aircraft impacted short. Post-accident examination revealed water contamination in multiple fuel system components.

Incident Overview

During the climb-out phase after departure, the pilot encountered a partial loss of engine power. In response, he initiated a return to the runway at the departure airport. However, the aircraft did not have sufficient altitude to complete the maneuver and impacted the ground short of the runway.

Post-Accident Examination

A detailed examination of the wreckage was conducted. Investigators found water present in several fuel system components, including the fuel selector valve, fuel manifold, fuel pump, and one header tank.

Aircraft Maintenance History

According to the pilot, the aircraft had been serviced approximately two to three weeks prior to the accident. Additionally, an annual inspection had been completed on September 2, 1989.

Summary

The accident involved a partial loss of engine power during climb, an attempted return to the departure airport, and a short landing. The presence of water in the fuel system was documented during the wreckage examination.

Frequently asked questions

What happened in the 2 Sept 1989 Cessna 206A accident near Lees Summit, MO?

During climb out, the pilot experienced partial engine power loss and attempted to return to the departure runway, but the aircraft impacted short. Post-accident examination revealed water contamination in multiple fuel system components.

What aircraft was involved and where did it happen?

The accident on 2 Sept 1989 involved a Cessna 206A, registration N8705Z, at Lees Summit, MO.

What was the probable cause of the accident?

ENGINE PARTIAL POWER LOSS DUE TO WATER IN THE AIRCRAFT FUEL SYSTEM, AND AN INADEQUATE PREFLIGHT.

Investigation report by the U.S. National Transportation Safety Board (NTSB) historical archive. Original record: https://carol.ntsb.gov/event/20001213X29455. This page is a structured re-presentation; facts and quotes are in the National Transportation Safety Board (NTSB), United States.