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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 reportUpdated 2026-06-12Data 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.

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