No fatalities

Floatplane Crashes in Fog Near Ketchikan, Six Injured (N31618)

Ketchikan, United States of AmericaLanding (descent or approach)

On August 7, 1981, a De Havilland DHC-2 Beaver (registration N31618) operated by South East Alaska Airlines was involved in an aviation accident near Ketchikan, United States of America during landing or approach. No fatalities were reported. Investigators recorded the probable cause as: Uncontrolled descent and uncontrolled collision with ground after the pilot continued VFR flight into adverse weather conditions. Contributing factors: pilot became lost/disoriented, pilot suffered spatial disorientation, fog, visibility down to zero. This summary draws on records from the Bureau of Aircraft Accidents Archives (B3A).

Sourcesthe Bureau of Aircraft Accidents Archives (B3A)Primary report: the U.S. National Transportation Safety Board (NTSB) historical archive (1962-1981)Updated 2026-07-04Data APIEditorial standards

A float-equipped aircraft returning to Ketchikan crashed after the pilot lost orientation in fog, seriously injuring all six occupants. The aircraft was destroyed.

Accident Overview

A charter flight on a local touristic excursion was returning to Ketchikan when the pilot encountered poor weather conditions. In limited visibility attributed to fog, the pilot lost orientation and subsequently lost control of the float-equipped aircraft. The aircraft crashed and burst into flames, resulting in the destruction of the aircraft and serious injuries to all six occupants.

Circumstances

The flight was conducted as a visual flight rules (VFR) operation. While en route back to Ketchikan, the pilot faced adverse weather, including fog that reduced visibility. The pilot became disoriented and entered an uncontrolled descent, leading to a collision with the ground.

Injuries and Damage

All six people aboard sustained serious injuries. The aircraft was destroyed by impact and fire.

Probable Cause

The official probable cause was an uncontrolled descent and uncontrolled collision with ground after the pilot continued VFR flight into adverse weather conditions. Contributing factors included the pilot becoming lost/disoriented, spatial disorientation, fog, and visibility down to zero.

Frequently asked questions

What happened in the 7 Aug 1981 De Havilland DHC-2 Beaver accident near Ketchikan, United States of America?

A float-equipped aircraft returning to Ketchikan crashed after the pilot lost orientation in fog, seriously injuring all six occupants. The aircraft was destroyed.

Were there any fatalities in the 7 Aug 1981 De Havilland DHC-2 Beaver accident?

No fatalities were recorded in this accident.

What aircraft was involved and where did it happen?

The accident on 7 Aug 1981 involved a De Havilland DHC-2 Beaver, registration N31618, operated by South East Alaska Airlines, at Ketchikan, United States of America.

What was the probable cause of the accident?

Uncontrolled descent and uncontrolled collision with ground after the pilot continued VFR flight into adverse weather conditions. Contributing factors: pilot became lost/disoriented, pilot suffered spatial disorientation, fog, visibility down to zero.