Casualties unknown

2004-10-19: Aviat A-1 (N79795) — Winifred, MT

Winifred, MT, US

On October 19, 2004, an Aviat A-1 (registration N79795) was involved in an aviation accident near Winifred, MT. Investigators recorded the probable cause as: The pilot's failure to maintain airspeed which resulted in an aerodynamic stall while maneuvering. 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 livestock surveillance, the aircraft experienced a sudden descent at 200 ft AGL. Despite adding power and lowering the nose, it continued to settle, striking trees and terrain. The pilot reported no response to normal stall recovery techniques.

Accident Overview

A pilot and a passenger were conducting aerial surveillance in support of livestock operations. According to a written report and subsequent telephone discussion, the pilot stated that the flight was at an altitude of 200 feet above ground level (AGL) with an indicated airspeed of 60 miles per hour. During the third pass, the pilot reported that "the aircraft got soft and dropped slightly."

Pilot Actions and Aircraft Response

In response to the unexpected descent, the pilot added power and lowered the nose of the airplane. However, the aircraft continued to settle, eventually striking a treetop and then the terrain. In his written report, the pilot noted that the airplane did not respond to normal stall recovery techniques, even after lowering the nose and adding power.

Mechanical Condition

No mechanical difficulties or malfunctions were reported by the pilot. The aircraft's performance during the event was attributed to operational conditions rather than any system failure.

Investigation report by the U.S. National Transportation Safety Board (NTSB) historical archive. Original record: https://carol.ntsb.gov/event/20041020X01661. This page is a structured re-presentation; facts and quotes are in the National Transportation Safety Board (NTSB), United States.