# N315MS: 2025 Mark Stone SONEX B

- Status: Valid registration
- Airframe: [Mark Stone SONEX B](https://openairdocs.org/model/mark-stone-sonex-b) (registry code 05641II, 2 seats)
- Engine: [Amateur-built UNKNOWN ENG](https://openairdocs.org/engine/amateur-built-unknown-eng) (registry code 99999)
- Serial number: SNB 0036
- Year built: 2025
- Type: Fixed wing single engine
- Engine type: Reciprocating
- Kit: Sonex LLC SONEX B
- Airworthiness: Experimental, amateur built
- Airworthiness date: April 15, 2026
- Certificate issued: January 13, 2023
- Expires: January 31, 2030
- Mode S code: A35A88
- Registered owner: [Stone Mark E](https://openairdocs.org/faa-owner/STONE%20MARK%20E)
- Location: [Saint Joseph, MI](https://openairdocs.org/faa-place/MI/Saint%20Joseph)
- Owner type: Individual
- Owner's area on the map: 42.0543° N, 86.4631° W: Placed by OpenAirDocs at the center of ZIP code 49085, within about 3 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=315MS
- Page: https://openairdocs.org/aircraft/N315MS

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.

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

### Matched by airframe (Mark Stone SONEX B)

None in force.

### Matched by engine (Amateur-built UNKNOWN ENG)

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N315MS.

## FAA accident and incident reports

None matched to N315MS.

## 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.

## Earlier aircraft with N315MS

The FAA can reassign an N-number once a registration is cancelled. These aircraft carried N315MS before.

- [Cancelled 2010-02-17](https://openairdocs.org/deregistered/N315MS-2010-02-17): Beech 200, S/N BB-404, built 1978. Exported to Canada. Owner: [Pollard Aircraft Sales Inc](https://openairdocs.org/faa-owner/POLLARD%20AIRCRAFT%20SALES%20INC), [Fort Worth, TX](https://openairdocs.org/faa-place/TX/Fort%20Worth)
- [Cancelled 1991-04-04](https://openairdocs.org/deregistered/N315MS-1991-04-04): Morane-Saulnier 317, S/N 279. Exported to Germany. Owner: [Stegmann Claus C](https://openairdocs.org/faa-owner/STEGMANN%20CLAUS%20C), [Congers, NY](https://openairdocs.org/faa-place/NY/Congers)

## Related

- Other Mark Stone SONEX B aircraft: https://openairdocs.org/model/mark-stone-sonex-b/aircraft.md
- The Amateur-built UNKNOWN ENG engine: https://openairdocs.org/engine/amateur-built-unknown-eng.md

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