# NTSB Accident WPR15LA228
> **HUDSON ZODIAC CH 601 XLB** · 2015-08-02 · Hubbard, OR, USA · NONE
## Event
- **NTSB number:** WPR15LA228
- **Event ID:** 20150802X13200
- **Type:** Accident
- **Date:** 2015-08-02
- **Location:** Hubbard, OR, USA
- **Coordinates:** 45.18, -122.743614
## Injuries
- **Highest injury:** NONE
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 1
- **Total aboard:** 1
## Aircraft
- **Make:** HUDSON
- **Model:** ZODIAC CH 601 XLB
- **Registration:** N234S
- **FAR Part:** 091
- **Engines:** 1
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

A severe propeller vibration due to the pilot's improper installation of the propeller spacer assembly, which necessitated an engine shutdown, an off-airport landing, and a collision with a sprinkler system.

---
*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=WPR15LA228) · AI Analytics · CC0 1.0*