# NTSB Accident SEA05LA189
> **Ballhagen/Shyrock Q-2** · 2005-09-02 · Kalispell, MT, USA · NONE
## Event
- **NTSB number:** SEA05LA189
- **Event ID:** 20050913X01446
- **Type:** Accident
- **Date:** 2005-09-02
- **Location:** Kalispell, MT, USA
- **Coordinates:** 48.128334, -114.348609
## Injuries
- **Highest injury:** NONE
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 1
- **Total aboard:** 1
## Aircraft
- **Make:** Ballhagen/Shyrock
- **Model:** Q-2
- **Registration:** N12QJ
- **FAR Part:** 091
- **Engines:** 1
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

The pilot/owner's improper setting of the engine's valve clearance, leading to the failure of the exhaust valves to fully close and a total loss of power while on a VFR downwind, and the pilot/owner's failure to maintain sufficient airspeed as he tried to extend his power-off glide to the approach end of the runway.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=SEA05LA189) · AI Analytics · CC0 1.0*