No fatalities

BEECH A36 accident at Port Alsworth, AK, 20 Mar 2021

Port Alsworth, AK, United States

On March 20, 2021, a BEECH A36 operated by Lake Clark Air was involved in an aviation accident near Port Alsworth, AK. No fatalities were reported. Investigators recorded the probable cause as: The pilot's misidentification of the airport’s active runway, which resulted in an off runway landing and a collision with a snow berm. Contributing to the accident was the runway’s lack of identifying markings. This summary draws on records from NTSB; 17 related events involving the same aircraft type or operator are linked below.

SourcesNTSBPrimary reportUpdated 2026-08-03Data APIEditorial standards

Probable cause

The pilot's misidentification of the airport’s active runway, which resulted in an off runway landing and a collision with a snow berm. Contributing to the accident was the runway’s lack of identifying markings.

— NTSB Determination

Contributing factors

PilotAwareness of condition