# N931KZ: 2024 Stahl Michael S RV-8

- Status: Valid registration
- Airframe: [Stahl Michael S RV-8](https://openairdocs.org/model/stahl-michael-s-rv-8) (registry code 05641XQ, 2 seats)
- Engine: [Lycoming YIO-390 series](https://openairdocs.org/engine/lycoming-yio-390-series) (registry code 42418)
- Serial number: 83685
- Year built: 2024
- Type: Fixed wing single engine
- Engine type: Reciprocating
- Kit: Vans Aircraft Inc RV-8
- Airworthiness: Experimental, amateur built
- Airworthiness date: August 19, 2024
- Certificate issued: July 11, 2023
- Expires: July 31, 2030
- Mode S code: ACEA59
- Registered owner: [Stahl Michael S](https://openairdocs.org/faa-owner/STAHL%20MICHAEL%20S)
- Location: [Marion, MI](https://openairdocs.org/faa-place/MI/Marion)
- Owner type: Individual
- Owner's area on the map: 44.1009° N, 85.1317° W: Placed by OpenAirDocs at the center of ZIP code 49665, within about 7 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=931KZ
- Page: https://openairdocs.org/aircraft/N931KZ

From the FAA registry file of October 24, 2026. ADs below are matched by the registry's airframe and engine model codes. They may apply; each AD's applicability can narrow it by serial number, part number or installed equipment. This is not a compliance determination. The registry lists only the engine series, so ADs for every Lycoming YIO-390 model are included.

## ADs that may apply (OpenAirDocs): 0 in force

### Matched by airframe (Stahl Michael S RV-8)

None in force.

### Matched by engine (Lycoming YIO-390 series)

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations (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 CEN25LA250](https://openairdocs.org/ntsb/CEN25LA250), Jul 12, 2025: Vans RV-8 (N931KZ), Tarkio, MO, minor damage, investigation ongoing

## FAA accident and incident reports (1)

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.

- [Incident 20250712021422I](https://openairdocs.org/incident/20250712021422I), Jul 12, 2025: Stahl Michael S RV-8 (N931KZ), Tarkio, MO, Minor damage. Reportedly, during an attempted landing on runway 36, [privacy data omitted] was about to touchdown when it collided with [privacy data omitted], which had…

## Service difficulty reports

None filed for this aircraft. Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model.

## STCs that may be installed (OpenAirDocs)

None matched to this aircraft's models.

## Related

- Other Stahl Michael S RV-8 aircraft: https://openairdocs.org/model/stahl-michael-s-rv-8/aircraft.md
- The Lycoming YIO-390 series engine: https://openairdocs.org/engine/lycoming-yio-390-series.md

---
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.