# NTSB Accident LAX08LA160
> **Quad City Ultralight Aircraft Challenger LSS** · 2008-05-31 · Moses Lake, WA, USA · FATL
## Event
- **NTSB number:** LAX08LA160
- **Event ID:** 20080605X00798
- **Type:** Accident
- **Date:** 2008-05-31
- **Location:** Moses Lake, WA, USA
- **Coordinates:** 47.141944, -119.237777
## Injuries
- **Highest injury:** FATL
- **Fatal:** 1
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 0
- **Total aboard:** 1
## Aircraft
- **Make:** Quad City Ultralight Aircraft
- **Model:** Challenger LSS
- **Registration:** N95478
- **FAR Part:** 091
- **Engines:** 1
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

The pilot's inability to maintain control due to an in-flight separation of the vertical fin as a result of the failure of the airplane's builder to properly secure the vertical fin to the fuselage.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=LAX08LA160) · AI Analytics · CC0 1.0*