Casualties unknown

Aircraft Nose-Over During Forced Landing on Gravel Bar (N5472H)

Sparrovahn, AK, US

On July 3, 1986, a Piper PA-18 (registration N5472H) operated by Michael Dejansen was involved in an aviation accident near Sparrovahn, AK. Investigators recorded the probable cause as: The pilot's failure to maintain adequate fuel supply, resulting in a total loss of power. 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

The pilot experienced a total loss of power while maneuvering to observe terrain. A forced landing on a gravel bar resulted in the aircraft nosing over, with the pilot attributing the incident to fuel exhaustion.

What happened

The pilot reported experiencing a total loss of power while the aircraft was maneuvering over an area designated for observing the terrain. Following this mechanical failure, the pilot executed a forced landing on a gravel bar. During the landing sequence, the aircraft nosed over.

Safety message

In his recommendation regarding how the accident could have been prevented, the pilot stated, 'You can never check your fuel enough.'

Probable cause

The pilot's failure to maintain adequate fuel supply, resulting in a total loss of power.

Investigation report by the U.S. National Transportation Safety Board (NTSB) historical archive. Original record: https://carol.ntsb.gov/event/20001213X34045. This page is a structured re-presentation; facts and quotes are in the National Transportation Safety Board (NTSB), United States.