Casualties unknown

Float-Equipped Airplane Found Partially Submerged in Remote Lake; Pilot Missing (N8955D)

Sterling, AK, US

On October 3, 1997, a Piper PA-22-160 (registration N8955D) was involved in an aviation accident near Sterling, AK. Investigators recorded the probable cause as: Undetermined. 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 float-equipped airplane was discovered partially submerged and upside down in a remote lake after neighbors heard an engine start. The pilot is missing and presumed fatally injured.

Incident Overview

On the afternoon of the incident, neighbors of a pilot who maintained a residence on a small island in a remote lake observed the pilot repairing a hole in one of the floats of his float-equipped airplane. At approximately 1500, the neighbors heard an airplane engine start, but they did not see the airplane depart.

Discovery of the Airplane

At about 1720, an airplane flying over the lake spotted the accident airplane partially submerged in the water. The airplane was floating upside down approximately half a mile from the pilot's residence. Search personnel were dispatched to the location and found the airplane partially submerged. Several of the pilot's neighbors had already gathered at the scene.

Rescue Efforts

Rescue divers were unable to determine whether the airplane was occupied before it sank in 139 feet of water. The pilot remains missing and is presumed to be fatally injured.

Investigation Status

No probable cause has been determined at this time. The investigation is ongoing.

Investigation report by the U.S. National Transportation Safety Board (NTSB) historical archive. Original record: https://carol.ntsb.gov/event/20001208X08943. This page is a structured re-presentation; facts and quotes are in the National Transportation Safety Board (NTSB), United States.