# NTSB Accident SEA07CA229
> **Quicksilver Manufacturing GT-500** · 2007-08-12 · Newberg, OR, USA · SERS
## Event
- **NTSB number:** SEA07CA229
- **Event ID:** 20070912X01381
- **Type:** Accident
- **Date:** 2007-08-12
- **Location:** Newberg, OR, USA
- **Coordinates:** 45.295555, -122.955276
## Injuries
- **Highest injury:** SERS
- **Fatal:** 0
- **Serious:** 1
- **Minor:** 0
- **Uninjured:** 0
- **Total aboard:** 1
## Aircraft
- **Make:** Quicksilver Manufacturing
- **Model:** GT-500
- **Registration:** N8058J
- **FAR Part:** 091
- **Engines:** 1
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

The pilot's failure to maintain airspeed while maneuvering, which resulted in an inadvertent stall and uncontrolled descent to terrain impact.  A contributing factor was the pilot's lack of certification.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=SEA07CA229) · AI Analytics · CC0 1.0*