No fatalities

CESSNA 170B accident at Denali Park, AK, 25 Jun 2025

Denali Park, AK, United States

On June 25, 2025, a CESSNA 170B was involved in an aviation accident near Denali Park, AK. No fatalities were reported. Investigators recorded the probable cause as: The failure of the left main landing gear spring due to a fatigue fracture during landing on uneven terrain. This summary draws on records from NTSB; 12 related events involving the same aircraft type or operator are linked below.

SourcesNTSBPrimary reportUpdated 2026-08-03Data APIEditorial standards

Probable cause

The failure of the left main landing gear spring due to a fatigue fracture during landing on uneven terrain.

— NTSB Determination

Contributing factors

Main landing gear — FailureFatigue/wear/corrosionMaintenance personnelPilot