Casualties unknown

Loss of Control in Strong Crosswind Conditions (N9570M)

Nelson Island, AK, US

On October 14, 1985, a Cessna 207A (registration N9570M) was involved in an aviation accident near Nelson Island, AK. Investigators recorded the probable cause as: Loss of aircraft control due to strong wind conditions, exacerbated by insufficient altitude during island crossing. 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 pilot reported losing significant aircraft control and experiencing a rapid descent during flight operations characterized by strong winds with gusts reaching 40 knots.

What happened

The pilot reported that he experienced a loss of approximately 90 percent of aircraft control, accompanied by an alarming rate of altitude loss. At the time of the incident, wind conditions were reported from 140 degrees at 30 knots with gusts reaching 40 knots.

The investigation

A chief pilot reviewed the circumstances and stated that crossing the island at a higher altitude would have assisted the pilot in maintaining control of the aircraft.

Probable cause

Loss of aircraft control due to strong wind conditions, exacerbated by insufficient altitude during island crossing.

Investigation report by the U.S. National Transportation Safety Board (NTSB) historical archive. Original record: https://carol.ntsb.gov/event/20001214X37931. This page is a structured re-presentation; facts and quotes are in the National Transportation Safety Board (NTSB), United States.