Casualties unknown

2006-08-03: Piper PA-25-235 (N4693Y) — Underwood, ND

Underwood, ND, US

On August 3, 2006, a Piper PA-25-235 (registration N4693Y) was involved in an aviation accident near Underwood, ND. Investigators recorded the probable cause as: The pilot's failure to maintain clearance with the power line during the aerial application flight. 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 1781061362Data APIEditorial standards

During an aerial application flight, the airplane collided with a power line approximately 50 feet above ground while making a northward swath run. Witnesses observed the aircraft passing under the line on previous passes. A 2-foot section of the right wing separated and was found near the power lines.

Incident Overview

An aerial application aircraft collided with a power line during a spraying operation. The incident occurred while the airplane was performing north-south swath runs over a field. On the pass where the collision took place, the aircraft was flying northward and contacted a power line located at an estimated height of 50 feet above ground level.

Witness Accounts

According to witnesses at the scene, the airplane had made several previous passes under the same power line without incident. These witnesses reported seeing the aircraft fly beneath the line on earlier runs. The collision occurred on a subsequent northbound pass, when the aircraft struck the power line.

Damage and Debris

Examination of the accident site revealed that a 2-foot-long section from the outboard portion of the right wing had separated from the main wreckage. This piece was discovered in the vicinity of the power lines. The rest of the aircraft sustained further damage consistent with the impact and subsequent ground contact.

Additional Information

No further details regarding the aircraft, its operator, or any occupants are available from the official source. The investigation is ongoing, and no probable cause has been determined at this time.

Investigation report by the U.S. National Transportation Safety Board (NTSB) historical archive. Original record: https://carol.ntsb.gov/event/20060810X01138. This page is a structured re-presentation; facts and quotes are in the National Transportation Safety Board (NTSB), United States.