Casualties unknown

Student Pilot Strikes Trees During Emergency Landing Attempt (N4445A)

Ketchum, ID, US

On July 29, 1985, a Piper PA-22 (registration N4445A) was involved in an aviation accident near Ketchum, ID. Investigators recorded the probable cause as: The pilot's inadvertent setting of full nose-down trim during the approach, which resulted in the aircraft striking trees hidden by a highway sign. 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 2026-06-10Data APIEditorial standards

A student pilot attempting an emergency landing on a highway inadvertently set full nose-down trim while turning, causing the aircraft to strike hidden trees near a road sign.

What happened

The flight involved a student pilot conducting a cross-country journey that required routing through a mountain pass and surrounding mountainous terrain. During the operation, the pilot encountered circumstances necessitating an emergency landing on a nearby highway.

While executing the approach and turning toward the selected landing site, the pilot inadvertently adjusted the aircraft's pitch trim to full nose-down while the flaps were extended to half position. As the aircraft completed this turn, it impacted a stand of trees that concealed a highway sign.

Probable cause

The pilot's inadvertent setting of full nose-down trim during the approach, which resulted in the aircraft striking trees hidden by a highway sign.

Investigation report by the U.S. National Transportation Safety Board (NTSB) historical archive. Original record: https://carol.ntsb.gov/event/20001214X37288. This page is a structured re-presentation; facts and quotes are in the National Transportation Safety Board (NTSB), United States.