# N28YD: 2007 Olson/Williams SONEX

- Status: Valid registration
- Airframe: [Olson/Williams SONEX](https://openairdocs.org/model/olson-williams-sonex) (registry code 059010N, 2 seats)
- Engine: [Amateur-built UNKNOWN ENG](https://openairdocs.org/engine/amateur-built-unknown-eng) (registry code 99999)
- Serial number: 533
- Year built: 2007
- Type: Fixed wing single engine
- Engine type: 4 cycle
- Airworthiness: Experimental, registered before 01/31/08
- Airworthiness date: April 4, 2007
- Certificate issued: July 17, 2015
- Expires: July 31, 2028
- Mode S code: A2CDCC
- Registered owner: [Jones Ronald L](https://openairdocs.org/faa-owner/JONES%20RONALD%20L)
- Location: [Brookline, NH](https://openairdocs.org/faa-place/NH/Brookline)
- Owner type: Individual
- Owner's area on the map: 42.7493° N, 71.6757° W: Placed by OpenAirDocs at the center of ZIP code 03033, within about 2 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=28YD
- Page: https://openairdocs.org/aircraft/N28YD

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 (Olson/Williams SONEX)

None in force.

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

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 ERA26LA231](https://openairdocs.org/ntsb/ERA26LA231), Jun 5, 2026: Olson/Williams Sonex (N28YD), Jaffrey, NH, substantial 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.

- [Accident 20260605005239A](https://openairdocs.org/incident/20260605005239A), Jun 5, 2026: Olson/Williams SONEX (N28YD), Jaffrey, NH, Substantial damage. On June 5, 2026 at approximately 1638Z the aircraft crashed shortly after takeoff due to a loss of power and possible stall. The pilot was injured and…

## 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 Olson/Williams SONEX aircraft: https://openairdocs.org/model/olson-williams-sonex/aircraft.md
- The Amateur-built UNKNOWN ENG engine: https://openairdocs.org/engine/amateur-built-unknown-eng.md

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