# N81RM: 2023 Mercurio Richard N SONEX B

- Status: Valid registration
- Airframe: [Mercurio Richard N SONEX B](https://openairdocs.org/model/mercurio-richard-n-sonex-b) (registry code 05641HH, 2 seats)
- Engine: [Aerovee 2.1 TURBO](https://openairdocs.org/engine/aerovee-2-1-turbo) (registry code 01406)
- Serial number: SNB027
- Year built: 2023
- Type: Fixed wing single engine
- Engine type: Reciprocating
- Airworthiness: Experimental, amateur built
- Airworthiness date: January 4, 2024
- Certificate issued: January 3, 2023
- Expires: January 31, 2030
- Mode S code: AB0886
- Registered owner: [Mercurio Richard N](https://openairdocs.org/faa-owner/MERCURIO%20RICHARD%20N)
- Location: [Pataskala, OH](https://openairdocs.org/faa-place/OH/Pataskala)
- Owner type: Individual
- Owner's area on the map: 40.0040° N, 82.6792° W: Placed by OpenAirDocs at the center of ZIP code 43062, within about 5 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=81RM
- Page: https://openairdocs.org/aircraft/N81RM

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 (Mercurio Richard N SONEX B)

None in force.

### Matched by engine (Aerovee 2.1 TURBO)

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N81RM.

## FAA accident and incident reports

None matched to N81RM.

## 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 N81RM

The FAA can reassign an N-number once a registration is cancelled. These aircraft carried N81RM before.

- [Cancelled 2015-05-05](https://openairdocs.org/deregistered/N81RM-2015-05-05): Mohr Robert C ASCENDER 2+2, S/N 1, built 1993. Registration expired, pending cancellation. Owner: [Mohr Robert C](https://openairdocs.org/faa-owner/MOHR%20ROBERT%20C), [Nazareth, PA](https://openairdocs.org/faa-place/PA/Nazareth)
- [Cancelled 1991-07-26](https://openairdocs.org/deregistered/N81RM-1991-07-26): Piper PA-28R-201T, S/N 28R7703289. Exported to Thailand. Owner: [Krueger Aviation Inc](https://openairdocs.org/faa-owner/KRUEGER%20AVIATION%20INC), [Santa Monica, CA](https://openairdocs.org/faa-place/CA/Santa%20Monica)

## Related

- Other Mercurio Richard N SONEX B aircraft: https://openairdocs.org/model/mercurio-richard-n-sonex-b/aircraft.md
- The Aerovee 2.1 TURBO engine: https://openairdocs.org/engine/aerovee-2-1-turbo.md

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