Casualties unknown

Private Pilot Crashes While Attempting Mountain Pass Transit (N8TL)

Kenai, AK, US

On August 5, 1999, a Cessna 180A (registration N8TL) was involved in an aviation accident near Kenai, AK. Investigators recorded the probable cause as: The pilot's intentional visual flight into known adverse weather. Factors associated with this accident were the reported low ceilings, obscuration, high winds, and turbulence. 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 private pilot crashed while attempting to transit a 20-mile mountain pass. The airplane impacted a tree on a ridge at 950 feet msl and came to rest at 700 feet msl. No preimpact mechanical anomalies were found.

Accident Overview

A private pilot was attempting to transit a 20-mile-long mountainous pass. The pilot had delayed the flight three times on the day of the accident. Pilot weather reports (PIREPS) from pilots who had flown through the pass indicated that weather conditions deteriorated about one mile west of the accident site to 700-foot overcast ceilings and 1-mile visibility. The PIREPS described rain, mist, and winds from the east at 25 knots, gusting to 40 knots.

Impact and Flight Path

The airplane impacted a tree on a small ridge on the side of the valley at an altitude of 950 feet msl. It came to rest 380 linear feet away at an altitude of 700 feet msl. The final flight path was on a ground track of 060 degrees magnetic, back toward the eastern entrance to the pass.

Pilot Interviews

The National Transportation Safety Board (NTSB) investigator-in-charge interviewed four pilots who successfully transited the pass during the time period surrounding the accident. All four indicated that at 950 feet msl, the accident airplane would have been at or into the bases of the overcast. They also stated that they flew through the pass between 300 and 800 feet in order to maintain visual contact with the terrain.

Postaccident Inspection

A postaccident inspection of the airplane disclosed no evidence of any preimpact mechanical anomalies.

Frequently asked questions

What happened in the 5 Aug 1999 Cessna 180A accident near Kenai, AK?

A private pilot crashed while attempting to transit a 20-mile mountain pass. The airplane impacted a tree on a ridge at 950 feet msl and came to rest at 700 feet msl. No preimpact mechanical anomalies were found.

What aircraft was involved and where did it happen?

The accident on 5 Aug 1999 involved a Cessna 180A, registration N8TL, at Kenai, AK.

What was the probable cause of the accident?

The pilot's intentional visual flight into known adverse weather. Factors associated with this accident were the reported low ceilings, obscuration, high winds, and turbulence.

Investigation report by the U.S. National Transportation Safety Board (NTSB) historical archive. Original record: https://carol.ntsb.gov/event/20001212X19391. This page is a structured re-presentation; facts and quotes are in the National Transportation Safety Board (NTSB), United States.