4 fatalities

Fatal Commuter Flight Near Ketchikan, Alaska (N68HA)

Ketchikan, United States of AmericaFlight

On August 20, 1991, a Britten-Norman Islander (registration N68HA) operated by Temsco Helicopters was involved in an aviation accident near Ketchikan, United States of America in flight. 4 people were killed. Investigators recorded the probable cause as: The pilot's attempting to operate VFR in instrument meteorological conditions. Factors contributing to the accident were upsloping terrain in the aircraft's flight path as well as weather conditions resulting in an obscuration of the terrain. This summary draws on records from the Bureau of Aircraft Accidents Archives (B3A); 2 related events involving the same aircraft type or operator are linked below.

Sourcesthe Bureau of Aircraft Accidents Archives (B3A)Primary report: the U.S. National Transportation Safety Board (NTSB) historical archiveUpdated 2026-09-03Data APIEditorial standards

A commuter aircraft crashed into rising terrain near Ketchikan, Alaska, after the pilot reported returning due to marginal weather. All four occupants were killed.

Incident Overview and Weather Conditions Approximately three-quarters of an hour after departing for Wrangell, Alaska, the pilot of a regularly scheduled commuter flight contacted company dispatch about 30 miles from Ketchikan. The pilot reported that the aircraft was returning due to weather. Shortly after, the pilot communicated with another company pilot flying in the same vicinity, and both described the weather at their respective locations as marginal. At the time of the accident, weather conditions at Ketchikan International Airport, located 18 nautical miles from the crash site, were characterized by low ceilings, multiple cloud layers, reduced visibilities of 3 miles, and light rain. ## Collision and Impact Details The aircraft collided with trees and rising terrain at 800 feet mean sea level while in a near-level flight path headed east-southeast. Impact signatures on the right wingtip indicated a very shallow right-wing-down and nose-up attitude at the initial tree impacts. All four occupants of the aircraft were killed.

Probable cause

The pilot's attempting to operate VFR in instrument meteorological conditions. Factors contributing to the accident were upsloping terrain in the aircraft's flight path as well as weather conditions resulting in an obscuration of the terrain.

Frequently asked questions

What happened in the 20 Aug 1991 Britten-Norman Islander accident near Ketchikan, United States of America?

A commuter aircraft crashed into rising terrain near Ketchikan, Alaska, after the pilot reported returning due to marginal weather. All four occupants were killed.

Were there any fatalities in the 20 Aug 1991 Britten-Norman Islander accident?

The accident was fatal, resulting in 4 fatalities.

What aircraft was involved and where did it happen?

The accident on 20 Aug 1991 involved a Britten-Norman Islander, registration N68HA, operated by Temsco Helicopters, at Ketchikan, United States of America.

What was the probable cause of the accident?

The pilot's attempting to operate VFR in instrument meteorological conditions. Factors contributing to the accident were upsloping terrain in the aircraft's flight path as well as weather conditions resulting in an obscuration of the terrain.