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

Frequently asked questions

What happened in the 25 Jun 2025 CESSNA 170B accident near Denali Park, AK?

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

Were there any fatalities in the 25 Jun 2025 CESSNA 170B accident?

No fatalities were recorded in this accident.

What aircraft was involved and where did it happen?

The accident on 25 Jun 2025 involved a CESSNA 170B, at Denali Park, AK.

What was the probable cause of the accident?

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