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Casualties unknown

Aerial Application Accident: Left Wing Contacts High-Tension Lines (N9026E)

Wyoming, IL, US

On July 13, 2007, a Weatherly 620B (registration N9026E) operated by Frank's Flying Service was involved in an aviation accident near Wyoming, IL. Investigators recorded the probable cause as: The pilot's failure to maintain clearance with the power lines during the aerial application flight. Contributing to the accident were the power lines and the low altitude. 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 an aerial application flight, the pilot's left wing struck four high-tension power lines while making clean-up passes. No mechanical failure was found.

Accident Sequence

The pilot had completed spraying most of the field and was performing clean-up passes when the left wing of the airplane contacted four wires of high-tension power lines. The accident occurred during the second crossing of the power lines in the clean-up passes.

Flight Data

Data retrieved from a global positioning system (GPS) receiver on board the airplane indicated that the pilot initially sprayed the field by flying an east-west pattern that crossed the power lines. Subsequently, he began making clean-up passes in a southeast to northwest direction.

Investigation

Inspection of the airplane and engine did not reveal any pre-existing mechanical failure or malfunction that would have resulted in the accident.

Frequently asked questions

What happened in the 13 Jul 2007 Weatherly 620B accident near Wyoming, IL?

During an aerial application flight, the pilot's left wing struck four high-tension power lines while making clean-up passes. No mechanical failure was found.

What aircraft was involved and where did it happen?

The accident on 13 Jul 2007 involved a Weatherly 620B, registration N9026E, operated by Frank's Flying Service, at Wyoming, IL.

What was the probable cause of the accident?

The pilot's failure to maintain clearance with the power lines during the aerial application flight. Contributing to the accident were the power lines and the low altitude.

More accident analyses

Investigation report by the U.S. National Transportation Safety Board (NTSB) historical archive. Original record: https://carol.ntsb.gov/event/20070720X00963. This page is a structured re-presentation; facts and quotes are in the National Transportation Safety Board (NTSB), United States.