Casualties unknown

Sightseeing aircraft flips after striking ice hole during glacier takeoff (N2568J)

Palmer, AK, US

On June 24, 1983, a Piper PA-18 (registration N2568J) was involved in an aviation accident near Palmer, AK. Investigators recorded the probable cause as: The pilot's decision to take off from a glacier surface with slushy ice conditions, which resulted in the aircraft striking a hole in the ice and flipping over. This summary draws on records from the U.S. National Transportation Safety Board (NTSB) historical archive.

Sourcesthe U.S. National Transportation Safety Board (NTSB) historical archivePrimary reportUpdated 2026-06-10Data APIEditorial standards

A sightseeing aircraft experienced engine roughness and power loss, prompting a precautionary landing on a glacier. During a subsequent takeoff attempt on slushy ice, the plane struck a hidden hole in the surface and overturned.

What happened

The aircraft was operating as a sightseeing flight when the engine began to lose power and run rough. The pilot decided to make a precautionary landing on a glacier. He was attempting to takeoff without pax and excess fuel due to slushy ice. The engine was developing full power during the takeoff but the acft hit a hole in the ice and flipped over.

Findings

The incident occurred during a sightseeing operation where mechanical performance issues necessitated an emergency landing on a glacier surface. The pilot attempted to resume flight by taking off without passengers or excess fuel to reduce weight, citing slushy ice conditions as a factor. Despite the engine developing full power, the aircraft struck a hole in the ice and flipped over.

Probable cause

The pilot's decision to take off from a glacier surface with slushy ice conditions, which resulted in the aircraft striking a hole in the ice and flipping over.

Investigation report by the U.S. National Transportation Safety Board (NTSB) historical archive. Original record: https://carol.ntsb.gov/event/20001214X43182. This page is a structured re-presentation; facts and quotes are in the National Transportation Safety Board (NTSB), United States.