# NTSB Accident CEN17LA079
> **QUICKSILVER GT-400 R503** · 2017-01-01 · New Braunfels, TX, USA · NONE
## Event
- **NTSB number:** CEN17LA079
- **Event ID:** 20170117X42903
- **Type:** Accident
- **Date:** 2017-01-01
- **Location:** New Braunfels, TX, USA
- **Coordinates:** 29.641387, -98.202774
## Injuries
- **Highest injury:** NONE
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 1
- **Total aboard:** 1
## Aircraft
- **Make:** QUICKSILVER
- **Model:** GT-400 R503
- **Registration:** N415HC
- **FAR Part:** 091
- **Engines:** 1
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

The partial loss of engine power due to a loose spark plug. Contributing to the accident was the pilot's improper preflight inspection of the airplane.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=CEN17LA079) · AI Analytics · CC0 1.0*