# NTSB Accident WPR20LA026
> **Piper PA 18** · 2019-11-16 · Livermore, CA, USA · NONE
## Event
- **NTSB number:** WPR20LA026
- **Event ID:** 20191117X11447
- **Type:** Accident
- **Date:** 2019-11-16
- **Location:** Livermore, CA, USA
- **Coordinates:** 37.696109, -121.819725
## Injuries
- **Highest injury:** NONE
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 1
- **Total aboard:** 1
## Aircraft
- **Make:** Piper
- **Model:** PA 18
- **Registration:** N8589D
- **FAR Part:** 091
- **Engines:** 1
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

The improper installation of the flight control stick, which resulted in separation of the flight control stick from the stick stub assembly and an uncontrolled descent and impact with terrain.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=WPR20LA026) · AI Analytics · CC0 1.0*