Aircraft impact in Nevada valley following downdraft

Casualties unknown • Gerlach, NV, US

A pilot reported encountering a sudden downdraft while flying at low altitude near Gerlach, Nevada, resulting in a ground impact.

What happened

While operating near Gerlach, Nevada, the pilot of the aircraft encountered a downdraft as the plane overflew a small ridge at a low altitude. The pilot was unable to arrest the resulting rate of descent before the aircraft collided with the ground in the valley beyond the ridge.

In both verbal and written statements provided following the event, the pilot confirmed that there were no mechanical malfunctions involving the aircraft. Although the pilot reported the encounter with the downdraft, the nearest weather reporting station indicated winds of less than five knots, and the pilot did not report any other unusual meteorological conditions or high winds contributing to the accident.

Probable cause

The pilot was unable to recover from a descent rate caused by a downdraft encountered at low altitude while flying over a ridge.

Frequently asked questions

What happened in the 1991-07-21 Piper PA 18-135 accident near Gerlach, NV?

A pilot reported encountering a sudden downdraft while flying at low altitude near Gerlach, Nevada, resulting in a ground impact.

What aircraft was involved and where did it happen?

The accident on 1991-07-21 involved a Piper PA 18-135, registration N9977Q, operated by Gregory Powning, at Gerlach, NV.

What was the probable cause of the accident?

The pilot was unable to recover from a descent rate caused by a downdraft encountered at low altitude while flying over a ridge.

Investigation report by the U.S. National Transportation Safety Board (NTSB) historical archive. Original record: https://carol.ntsb.gov/event/20001212X17610. This page is a structured re-presentation; facts and quotes are in the National Transportation Safety Board (NTSB), United States.

Loading the flight search…