9 fatalities

Seaplane Crash in Juneau Region Glacier (N88820)

Juneau, United States of AmericaFlight

On August 21, 1966, a Grumman G-21A Goose (registration N88820) operated by Alaska Coastal Airlines was involved in an aviation accident near Juneau, United States of America in flight. 9 people were killed. Investigators recorded the probable cause as: The exact cause of the accident could not be determined as hazardous location precluded on scene investigation. This summary draws on records from the Bureau of Aircraft Accidents Archives (B3A); 1 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 archive (1962-1981)Updated 2026-09-03Data APIEditorial standards

A seaplane crashed in flames into a glacier near Juneau, killing all nine occupants. The wreckage was found in a crevasse hours later, and the exact cause could not be determined due to the hazardous location.

Accident Overview During an en route flight, a seaplane entered an uncontrolled descent and crashed in flames into a glacier in the region of Juneau. All nine occupants on board were killed in the accident. The wreckage was located several hours later, situated within a crevasse in the glacier. ## Investigation Findings The official investigation was unable to determine the exact cause of the accident. The hazardous nature of the location precluded an on-scene investigation, which limited the ability to gather sufficient evidence to establish a definitive cause. The probable cause was therefore left undetermined in the official findings.

Frequently asked questions

What happened in the 21 Aug 1966 Grumman G-21A Goose accident near Juneau, United States of America?

A seaplane crashed in flames into a glacier near Juneau, killing all nine occupants. The wreckage was found in a crevasse hours later, and the exact cause could not be determined due to the hazardous location.

Were there any fatalities in the 21 Aug 1966 Grumman G-21A Goose accident?

The accident was fatal, resulting in 9 fatalities.

What aircraft was involved and where did it happen?

The accident on 21 Aug 1966 involved a Grumman G-21A Goose, registration N88820, operated by Alaska Coastal Airlines, at Juneau, United States of America.

What was the probable cause of the accident?

The exact cause of the accident could not be determined as hazardous location precluded on scene investigation.