Casualties unknown

1989-05-22: Piper PA-25-235 (N4395Y) — Ag-air, Inc. — Suring, WI

Suring, WI, US

On May 22, 1989, a Piper PA-25-235 (registration N4395Y) operated by Ag-air, Inc. was involved in an aviation accident near Suring, WI. Investigators recorded the probable cause as: The engine lost power due to only unusable fuel remaining in the aircraft. 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 1781061362Data APIEditorial standards

After an aerial application operation, the pilot initiated a climbing turn. The engine lost power, and an emergency landing was attempted. The aircraft struck trees and terrain due to low altitude. Investigation found only unusable fuel remained.

Incident Overview

Following the completion of an aerial application operation, the pilot executed a climbing turn to return to the staging area. During the climb, the engine lost power, prompting an immediate emergency landing. Due to the low altitude, the pilot was unable to glide the aircraft to a suitable landing site. The aircraft subsequently collided with trees and then the terrain.

Investigation Findings

A subsequent investigation revealed that only unusable fuel remained in the aircraft at the time of the power loss. The fuel quantity was insufficient for continued flight, leading to the engine failure. The investigation did not specify the aircraft type, registration, date, operator, location, or any injuries or fatalities.

Conclusion

The engine power loss was directly attributed to the lack of usable fuel. The pilot's actions in attempting an emergency landing were appropriate given the circumstances, but the low altitude prevented a successful outcome.

Probable cause

The engine lost power due to only unusable fuel remaining in the aircraft.

Investigation report by the U.S. National Transportation Safety Board (NTSB) historical archive. Original record: https://carol.ntsb.gov/event/20001213X28259. This page is a structured re-presentation; facts and quotes are in the National Transportation Safety Board (NTSB), United States.