Aircraft Crash in Mountainous Canyon

Casualties unknown • Cottonwood, AZ, US

A private pilot and a passenger were killed when their aircraft rapidly descended into the ground while flying through a mountain canyon.

What happened

A certificated private pilot and one passenger were engaged in a personal flight near mountainous terrain, searching for potential off-airport landing sites. The pilot had previously mentioned experience with bush flying, specifically involving landings on dirt roads.

During the flight, the aircraft was observed at an altitude of approximately 100 to 200 feet above the ground while navigating a small canyon near a switchback area along a mountain road. Witnesses observed the plane undergo a rapid descent into the terrain, impacting the ground in a nearly vertical, nose-down attitude. The accident resulted in 2 fatalities.

While a ground witness reported calm wind conditions at the time of the impact, a pilot witness in the vicinity reported encountering turbulence and downdrafts within the area.

Probable cause

The aircraft encountered turbulence and downdrafts while flying at low altitude in mountainous terrain.

Frequently asked questions

What happened in the 1992-10-30 Piper PA-18-135 accident near Cottonwood, AZ?

A private pilot and a passenger were killed when their aircraft rapidly descended into the ground while flying through a mountain canyon.

What aircraft was involved and where did it happen?

The accident on 1992-10-30 involved a Piper PA-18-135, registration N2221L, operated by Massey, William, at Cottonwood, AZ.

What was the probable cause of the accident?

The aircraft encountered turbulence and downdrafts while flying at low altitude in mountainous terrain.

Investigation report by the U.S. National Transportation Safety Board (NTSB) historical archive. Original record: https://carol.ntsb.gov/event/20001211X15890. This page is a structured re-presentation; facts and quotes are in the National Transportation Safety Board (NTSB), United States.

Loading the flight search…