Casualties unknown

Spraying Aircraft Strikes Guy Cables During Turn (N4473Y)

Montrose, SD, US

On August 26, 1983, a Piper PA-25B-235 (registration N4473Y) was involved in an aviation accident near Montrose, SD. 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

A pilot spraying a field struck unseen guy cables with the left wing tip, causing an uncontrollable roll and subsequent ground impact.

Accident Details

A pilot conducting aerial spraying operations was treating a field that was divided in half by a 60-foot-high powerline. As the pilot executed a turn to enter the southern section of the field, the aircraft flew parallel to the powerlines and into the sun. During this maneuver, the left wing tip struck guy cables that were present in the field but not visible to the pilot.

Sequence of Events

The contact with the guy cables caused the aircraft to enter an uncontrollable roll to the left. The airplane subsequently impacted the ground with its nose and left side. The pilot reported that the cables were unseen prior to the collision.

Frequently asked questions

What happened in the 26 Aug 1983 Piper PA-25B-235 accident near Montrose, SD?

A pilot spraying a field struck unseen guy cables with the left wing tip, causing an uncontrollable roll and subsequent ground impact.

What aircraft was involved and where did it happen?

The accident on 26 Aug 1983 involved a Piper PA-25B-235, registration N4473Y, at Montrose, SD.

Investigation report by the U.S. National Transportation Safety Board (NTSB) historical archive. Original record: https://carol.ntsb.gov/event/20001214X44126. This page is a structured re-presentation; facts and quotes are in the National Transportation Safety Board (NTSB), United States.