No fatalities

PIPER PA-14 accident at Tyonek, AK, 15 Aug 2021

Tyonek, AK, United States

On August 15, 2021, a PIPER PA-14 operated by ANGEL AVIATION INC was involved in an aviation accident near Tyonek, AK. No fatalities were reported. Investigators recorded the probable cause as: The pilot’s failure to maintain directional control and adequate airspeed during takeoff which resulted in a collision with a river. Contributing to the accident was the pilot’s improper decision to load the airplane above its maximum allowable gross weight. This summary draws on records from NTSB; 14 related events involving the same aircraft type or operator are linked below.

SourcesNTSBPrimary reportUpdated 2026-08-03Data APIEditorial standards

Probable cause

The pilot’s failure to maintain directional control and adequate airspeed during takeoff which resulted in a collision with a river. Contributing to the accident was the pilot’s improper decision to load the airplane above its maximum allowable gross weight.

— NTSB Determination

Contributing factors

Directional control — Not attained/maintainedCapability exceededPilotAirspeed — Not attained/maintained