# NTSB Accident WPR21LA079
> **PIPER PA-20-135** · 2021-01-01 · Riverside, UT, USA · NONE
## Event
- **NTSB number:** WPR21LA079
- **Event ID:** 20210104102492
- **Type:** Accident
- **Date:** 2021-01-01
- **Location:** Riverside, UT, USA
- **Coordinates:** 41.78007, -112.14178
## Injuries
- **Highest injury:** NONE
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 4
- **Total aboard:** 4
## Aircraft
- **Make:** PIPER
- **Model:** PA-20-135
- **Registration:** N1571A
- **FAR Part:** 091
- **Engines:** 1
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

A failure of the throttle control during a landing roll, which resulted in a loss of control and collision with a fence.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=WPR21LA079) · AI Analytics · CC0 1.0*