# NTSB Accident WPR09FA409
> **Stemme GMBH & CO S10-VT** · 2009-08-19 · Mackay, ID, USA · FATL
## Event
- **NTSB number:** WPR09FA409
- **Event ID:** 20090821X55303
- **Type:** Accident
- **Date:** 2009-08-19
- **Location:** Mackay, ID, USA
- **Coordinates:** 43.873889, -113.754722
## Injuries
- **Highest injury:** FATL
- **Fatal:** 1
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 0
- **Total aboard:** 1
## Aircraft
- **Make:** Stemme GMBH & CO
- **Model:** S10-VT
- **Registration:** N35MP
- **FAR Part:** 091
- **Engines:** 1
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

The pilot's failure to maintain adequate airspeed while maneuvering in terrain-induced turbulent wind conditions, resulting in an inadvertent entry into a stall/spin.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=WPR09FA409) · AI Analytics · CC0 1.0*