Casualties unknown

Witness Reports Airplane Banking Left Before Crashing into Yukon River (N9026E)

Ruby, AK, US

On August 17, 1991, a Maule M-5 (registration N9026E) operated by Jesse G. Clifton was involved in an aviation accident near Ruby, AK. Investigators recorded the probable cause as: A LOSS OF CONTROL INFLIGHT DUE TO IMPROPER AIRCRAFT HANDLING AND ALCOHOL IMPAIRMENT. 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 2026-07-04Data APIEditorial standards

A witness observed an airplane bank left and crash into the Yukon River. FAA records indicate the pilot's certificate was revoked in 1991 for operating under the influence. Toxicology showed a blood alcohol level of 0.195 percent.

Accident Overview

A witness reported seeing an airplane approaching their location when it suddenly banked to the left and crashed into the middle of the Yukon River. No further details about the aircraft or circumstances were provided.

Pilot Background

According to Federal Aviation Administration (FAA) records, the individual seated in the pilot's seat had his commercial pilot certificate revoked on July 10, 1991. The revocation was for operating a civil aircraft while under the influence of alcohol, with a blood alcohol level exceeding 0.04 percent.

Toxicology Report

The toxicological report for this accident revealed that the pilot had a blood alcohol level of 0.195 percent at the time of the incident.

Frequently asked questions

What happened in the 17 Aug 1991 Maule M-5 accident near Ruby, AK?

A witness observed an airplane bank left and crash into the Yukon River. FAA records indicate the pilot's certificate was revoked in 1991 for operating under the influence. Toxicology showed a blood alcohol level of 0.195 percent.

What aircraft was involved and where did it happen?

The accident on 17 Aug 1991 involved a Maule M-5, registration N9026E, operated by Jesse G. Clifton, at Ruby, AK.

What was the probable cause of the accident?

A LOSS OF CONTROL INFLIGHT DUE TO IMPROPER AIRCRAFT HANDLING AND ALCOHOL IMPAIRMENT.

Investigation report by the U.S. National Transportation Safety Board (NTSB) historical archive. Original record: https://carol.ntsb.gov/event/20001212X17733. This page is a structured re-presentation; facts and quotes are in the National Transportation Safety Board (NTSB), United States.