Casualties unknown

Agricultural Aircraft Strikes Wires During Low-Level Spray Operation (N53140)

Bay City, MI, US

On June 14, 1986, a Cessna 188B (registration N53140) was involved in an aviation accident near Bay City, MI. Investigators recorded the probable cause as: The pilot's failure to maintain clearance from a newly installed lower wire while attempting to fly under it during an agricultural spray operation. 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 agricultural aircraft struck a newly installed lower wire with its vertical stabilizer while attempting to fly under wires at the end of a field during a spray operation, resulting in a crash.

What happened

The incident occurred during an agricultural spraying mission. Prior to initiating the primary swath runs, the pilot flew over the target area to assess conditions. During the first run, the aircraft passed over wires located at the end of the field without issue.

On the return swath run, the pilot attempted to fly underneath these wires. While maneuvering to pass under them, the aircraft struck a newly installed lower wire with its vertical stabilizer. The impact caused the aircraft to crash immediately following the contact.

The investigation

The investigation focused on the mechanics of the collision and the flight path taken by the pilot. Examination confirmed that the vertical stabilizer made contact with a wire that had been recently installed in the area. No other mechanical failures were identified as contributing factors to the loss of control or the crash itself.

Findings

The primary factor leading to the accident was the collision with the obstacle during low-altitude flight. The pilot's decision to fly under the wires, combined with the presence of a newly installed lower wire that may not have been adequately visible or accounted for in the pre-flight assessment, resulted in the structural damage and subsequent crash.

Safety message

Pilots conducting agricultural operations must ensure that all overhead obstacles, including newly installed infrastructure such as wires, are clearly identified and avoided. Pre-flight reconnaissance should include a thorough check for any changes in the terrain or installation of new hazards since previous flights.

Probable cause

The pilot's failure to maintain clearance from a newly installed lower wire while attempting to fly under it during an agricultural spray operation.

Investigation report by the U.S. National Transportation Safety Board (NTSB) historical archive. Original record: https://carol.ntsb.gov/event/20001213X33794. This page is a structured re-presentation; facts and quotes are in the National Transportation Safety Board (NTSB), United States.