# N8729M: 2020 Martens Bradley W RV-9A

- Status: Valid registration
- Airframe: [Martens Bradley W RV-9A](https://openairdocs.org/model/martens-bradley-w-rv-9a) (registry code 05638WS, 2 seats)
- Engine: [Lycoming YO-320 series](https://openairdocs.org/engine/lycoming-yo-320-series) (registry code 42424)
- Serial number: 91881
- Year built: 2020
- Type: Fixed wing single engine
- Engine type: Reciprocating
- Kit: Vans Aircraft Inc RV-9A
- Airworthiness: Experimental, amateur built
- Airworthiness date: May 22, 2020
- Certificate issued: October 15, 2019
- Expires: October 31, 2029
- Mode S code: AC0163
- Registered owner: [Martens Bradley W](https://openairdocs.org/faa-owner/MARTENS%20BRADLEY%20W)
- Location: [Parker, CO](https://openairdocs.org/faa-place/CO/Parker)
- Owner type: Individual
- Owner's area on the map: 39.4828° N, 104.7800° W: Placed by OpenAirDocs at the center of ZIP code 80134, within about 4 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=8729M
- Page: https://openairdocs.org/aircraft/N8729M

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 YO-320 model are included.

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

### Matched by airframe (Martens Bradley W RV-9A)

None in force.

### Matched by engine (Lycoming YO-320 series)

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N8729M.

## FAA accident and incident reports

None matched to N8729M.

## 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 N8729M

The FAA can reassign an N-number once a registration is cancelled. These aircraft carried N8729M before.

- [Cancelled 1971-09-28](https://openairdocs.org/deregistered/N8729M-1971-09-28): Beech 23, S/N M-519. Exported to Canada. Owner: [Edmiston John D](https://openairdocs.org/faa-owner/EDMISTON%20JOHN%20D), [Denver, CO](https://openairdocs.org/faa-place/CO/Denver)

## Related

- Other Martens Bradley W RV-9A aircraft: https://openairdocs.org/model/martens-bradley-w-rv-9a/aircraft.md
- The Lycoming YO-320 series engine: https://openairdocs.org/engine/lycoming-yo-320-series.md

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