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PIPER PA31 350 accident at Point Thomson, AK, 17 May 2023

Point Thomson, AK, United States

On May 17, 2023, a PIPER PA31 350 operated by 70 North was involved in an aviation accident near Point Thomson, AK. No fatalities were reported. Investigators recorded the probable cause as: The pilot’s inadvertent descent below the published minimum descent altitude, while operating in flat light conditions, which resulted in controlled flight into terrain. This summary draws on records from NTSB; 13 related events involving the same aircraft type or operator are linked below.

SourcesNTSBPrimary reportUpdated 2026-08-03Data APIEditorial standards

Probable cause

The pilot’s inadvertent descent below the published minimum descent altitude, while operating in flat light conditions, which resulted in controlled flight into terrain.

— NTSB Determination

Contributing factors

PilotContributed to outcomeDescent/approach/glide path — Not attained/maintained

Related events

Same aircraft family

Same operator

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