Casualties unknown

2005-05-19: Air Tractor AT-602 (N9017Z) — Ralls, TX

Ralls, TX, US

On May 19, 2005, an Air Tractor AT-602 (registration N9017Z) was involved in an aviation accident near Ralls, TX. Investigators recorded the probable cause as: The pilot's failure to maintain clearance from the antenna tower. Contributing factors were the recency of the tower's construction and the lack of obstruction lights on the tower. 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, a pilot with 21,000 hours struck a 197-foot tower erected 15 days earlier without an obstruction light. The airplane impacted terrain and caught fire. No eyewitnesses were reported.

Accident Summary

The pilot, who had logged 21,000 flight hours, had just completed a second aerial application over a wooded area and was en route back to the airport. While maneuvering, the airplane struck a 197-foot-high tower. The aircraft then impacted terrain, resulting in a post-impact fire. No eyewitnesses were reported to have seen the collision with the tower.

Tower Details

Examination of the accident site revealed that the outboard portion of the right wing had separated and was found adjacent to the base of the tower. The top three feet of the tower were severed, and yellow paint transfer consistent with the color of the airplane was noted. The tower had been erected 15 days prior to the accident. It was of an unpainted metal color and was not equipped with an obstruction light.

Weather Conditions

A weather observation system located approximately 29 miles northwest of the accident site reported an overcast cloud ceiling at 25,000 feet at the time of the accident.

Investigation report by the U.S. National Transportation Safety Board (NTSB) historical archive. Original record: https://carol.ntsb.gov/event/20050525X00663. This page is a structured re-presentation; facts and quotes are in the National Transportation Safety Board (NTSB), United States.