# Accident 20090819014409A: Stemme S10VT, Mackay, ID, August 19, 2009

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: August 19, 2009, 16:00 local time
- Place: Mackay, ID
- Airport: Mackay
- Damage: Destroyed
- Operating rules: General operating rules (Part 91)
- Location: 43.8739° N, 113.7547° W: From the FAA
- Nearby events: https://openairdocs.org/map.md?lat=43.8739&lon=-113.7547&mi=10
- Aircraft: N35MP, a cancelled registration (https://openairdocs.org/deregistered/N35MP-2015-05-20) (OpenAirDocs)
- Registry model: Stemme S10-VT (registry code 1130872, https://openairdocs.org/model/stemme-s10-vt) (OpenAirDocs)
- Registry engine: Bombardier ROTAX (ALL) (registry code 09050, https://openairdocs.org/engine/bombardier-rotax-all) (OpenAirDocs)
- Reported make and model: STEMME S10VT
- People aboard: 1
- Fatal injuries: 1
- Other injuries: 0
- Pilot flight hours: 0 total, 0 in this make and model, 0 in the last 90 days
- NTSB investigation: [NTSB WPR09FA409](https://openairdocs.org/ntsb/WPR09FA409) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/20090819014409A

## Narrative

As the FAA filed it, in capitals; the FAA replaces private details with ^PRIVACY DATA OMITTED^.

(-23) AIRCRAFT DEPARTED ARCO, IDAHO AIRPORT (AOC) WITH A GROUP OF TWO OTHER AIRCRAFT SOMETIME LATE IN THE AFTERNOON ON 08/19/2009.  THE PURPOSE OF THE FLIGHT IS UNKNOWN AT THIS TIME.  WHEN THE TWO OTHER AIRCRAFT RETURNED TO AOC THEY NOTICED THAT MR. THYS AIRCRAFT WAS NOT WITH THEM.  A SEARCH WAS INITIATED.  THE AIRCRAFT WAS LOCATED ABOUT 1900 MDT 08/20/2009 AT GPS COORDINATES - N43.52.58/W113.43.72.  ON OR ABOUT 1100 08/21/2009 A RESCUE TEAM ARRIVED AT THE CRASH SITE AND FOUND THE AIRCRAFT DESTROYED AND THE PILOT, MR. THYS DECEASED.  THIS REPORT WILL BE AMMENDED WHEN ADDITIONAL INFORMATION IS RECEIVED.

## The NTSB's investigation of this event (1)

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [NTSB WPR09FA409](https://openairdocs.org/ntsb/WPR09FA409), Aug 19, 2009: Stemme S10-VT (N35MP), Mackay, ID, substantial damage, 1 fatal. 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.

From the FAA Accident/Incident Data System. Reports are matched to registry aircraft by N-number and event date, checked against the reported make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model. For accidents, the NTSB's own investigation is the fuller record.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.