No fatalities

PIPER PA-20 accident at Cascade, ID, 18 Jul 2021

Cascade, ID, United States

On July 18, 2021, a PIPER PA-20 was involved in an aviation accident near Cascade, ID. No fatalities were reported. Investigators recorded the probable cause as: The pilot's failure to maintain directional control during the landing roll, which resulted in a runway excursion and collision with 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 pilot's failure to maintain directional control during the landing roll, which resulted in a runway excursion and collision with terrain.

— NTSB Determination

Contributing factors

PilotDirectional control — Not attained/maintained

Frequently asked questions

What happened in the 18 Jul 2021 PIPER PA-20 accident near Cascade, ID?

The pilot's failure to maintain directional control during the landing roll, which resulted in a runway excursion and collision with terrain.

Were there any fatalities in the 18 Jul 2021 PIPER PA-20 accident?

No fatalities were recorded in this accident.

What aircraft was involved and where did it happen?

The accident on 18 Jul 2021 involved a PIPER PA-20, at Cascade, ID.

What was the probable cause of the accident?

The pilot's failure to maintain directional control during the landing roll, which resulted in a runway excursion and collision with terrain.