Casualties unknown

1995-06-16: Air Tractor AT-301 (N315PF) — Guymon, OK

Guymon, OK, US

On June 16, 1995, an Air Tractor AT-301 (registration N315PF) was involved in an aviation accident near Guymon, OK. Investigators recorded the probable cause as: THE PILOT'S FAILURE TO MAINTAIN AIRSPEED. THE HIGH DENSITY ALTITUDE WAS A FACTOR. 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

An aerial application pilot reported poor performance after departing with 305 gallons of solution. Airspeed dropped to 75 mph, and a sink rate could not be arrested. The landing gear struck a barbed wire fence before the airplane impacted terrain.

Accident Overview

An aerial application pilot departed from his home base with 305 gallons of solution. During the flight, the pilot observed that more power than usual was required to maintain altitude and that the airplane was performing poorly.

Sequence of Events

While maneuvering to line up for the first swath run, the airspeed decreased to 75 mph. The pilot reported a sink rate that could not be stopped, even with full power and quarter flaps deployed. As the airplane descended, its landing gear struck a five-strand barbed wire fence. Subsequently, the airplane impacted the ground.

Aircraft Damage

The impact resulted in substantial damage to the wing, landing gear, fuselage, and engine mount.

Environmental Conditions

The density altitude at the time of the accident was approximately 5,100 feet.

Investigation report by the U.S. National Transportation Safety Board (NTSB) historical archive. Original record: https://carol.ntsb.gov/event/20001207X03706. This page is a structured re-presentation; facts and quotes are in the National Transportation Safety Board (NTSB), United States.