1 fatality

Amphibian Accident in Lynn Canal; One Passenger Dies (N4774C)

Eldred Rock, United States of AmericaFlight

On August 20, 1958, a Grumman G-21A Goose (registration N4774C) operated by Alaska Coastal Airlines was involved in an aviation accident near Eldred Rock, United States of America in flight. One person was killed. Investigators recorded the probable cause as: failure of the pilot to maintain control of his aircraft at a safe altitude during marginal visual flight conditions, with a contributing factor being a glassy surface which caused the pilot to misjudge the height above the water. This summary draws on records from the Bureau of Aircraft Accidents Archives (B3A); 6 related events involving the same aircraft type or operator are linked below.

Sourcesthe Bureau of Aircraft Accidents Archives (B3A)Primary reportUpdated 2026-06-12Data APIEditorial standards

An amphibian aircraft descended into glassy water in Lynn Canal near Eldred Rock, Alaska. Six passengers and the pilot were seriously injured; one passenger died four days later. The aircraft was not recovered.

Accident Overview

On an unspecified date, an amphibian aircraft was flying over Lynn Canal near Eldred Rock, approximately 65 miles north-northwest of Juneau, Alaska. At around 1525 local time, the aircraft descended from an established cruise altitude of about 200 feet into the glassy water surface while in cruising configuration. The impact caused major damage to the aircraft, which subsequently sank and was not recovered.

Injuries and Occupants

The aircraft was carrying eight passengers and a pilot. Six of the passengers and the pilot sustained serious injuries. One passenger died four days after the accident.

Probable Cause

According to the official investigation, the probable cause of the accident was the failure of the pilot to maintain control of the aircraft at a safe altitude during marginal visual flight conditions. A contributing factor was the glassy water surface, which led the pilot to misjudge the height above the water.