# N84AS: 2025 Nyman Stephen M RV-8

- Status: Valid registration
- Airframe: [Nyman Stephen M RV-8](https://openairdocs.org/model/nyman-stephen-m-rv-8) (registry code 05642X8, 2 seats)
- Engine: [Superior IO-360 series](https://openairdocs.org/engine/superior-io-360-series) (registry code 59251)
- Data sheets: [TCDS E00001SC](https://openairdocs.org/tcds/E00001SC) (Superior Air Parts Inc.) (OpenAirDocs)
- Serial number: 83895
- Year built: 2025
- Type: Fixed wing single engine
- Engine type: Reciprocating
- Kit: Vans Aircraft Inc RV-8
- Airworthiness: Experimental, amateur built
- Airworthiness date: March 20, 2025
- Certificate issued: February 19, 2025
- Expires: February 29, 2032
- Mode S code: AB7D91
- Registered owner: [Nyman Stephen M](https://openairdocs.org/faa-owner/NYMAN%20STEPHEN%20M)
- Location: [Chapmansboro, TN](https://openairdocs.org/faa-place/TN/Chapmansboro)
- Owner type: Individual
- Owner's area on the map: 36.3811° N, 87.1340° W: Placed by OpenAirDocs at the center of ZIP code 37035, 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=84AS
- Page: https://openairdocs.org/aircraft/N84AS

From the FAA registry file of October 21, 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 Superior IO-360 model are included.

## ADs that may apply (OpenAirDocs): 3 in force

### Matched by airframe (Nyman Stephen M RV-8)

None in force.

### Matched by engine (Superior IO-360 series)

- [AD 2020-25-12](https://openairdocs.org/ad/2020-25-12): Reciprocating Engine Power Section · Superior Air Parts IO-360-A1A1, IO-360-A1A2, IO-360-A2A1 and 146 more. Effective Jan 15, 2021
- [AD 2012-03-06](https://openairdocs.org/ad/2012-03-06): Fuel servo diaphragm · Continental Motors 6-260-A, 6-285-A, 6-285-B and 482 more. Effective Feb 24, 2012
- [AD 2009-02-03](https://openairdocs.org/ad/2009-02-03): Fuel injection servos · Lycoming Engines AEIO-320-D1B, AEIO-320-D2B, AEIO-320-E1A and 261 more. Effective Feb 9, 2009

### Historical (superseded or no longer in force)

- [AD 2011-15-10](https://openairdocs.org/ad/2011-15-10) (historical): Fuel servos · Lycoming Engines AEIO-320-D1B, AEIO-320-D2B, AEIO-320-E1A and 256 more. Effective Aug 16, 2011
- [AD 2008-08-14](https://openairdocs.org/ad/2008-08-14) (historical): Fuel injection servo plugs · Superior Air Parts AEIO-320-D1B, AEIO-320-D2B, AEIO-320-E1A and 242 more. Effective Apr 29, 2008
- [AD 2008-06-51](https://openairdocs.org/ad/2008-06-51) (historical): Fuel injection servo plugs · Lycoming Engines AEIO-320-D1B, AEIO-320-D2B, AEIO-320-E1A and 235 more

## Information bulletins (advisory) (1 in force)

- [SAIB NE-09-04](https://openairdocs.org/saib/NE-09-04): Fuel Control/Reciprocating Engines. Issued Jan 10, 2009

## NTSB investigations

None matched to N84AS.

## FAA accident and incident reports

None matched to N84AS.

## Service difficulty reports

None filed for this aircraft. Reports filed since February 27, 2013, when the mark's previous registration was cancelled.

## Earlier aircraft with N84AS

The FAA can reassign an N-number once a registration is cancelled. These aircraft carried N84AS before.

- [Cancelled 2013-02-27](https://openairdocs.org/deregistered/N84AS-2013-02-27): Let BLANIK L-13, S/N 026653, built 1976. Sale reported, canceled. Owner: [Montoursville, PA](https://openairdocs.org/faa-place/PA/Montoursville)

## Related

- Other Nyman Stephen M RV-8 aircraft: https://openairdocs.org/model/nyman-stephen-m-rv-8/aircraft.md
- STCs for the Nyman Stephen M RV-8: https://openairdocs.org/model/nyman-stephen-m-rv-8/stcs.md
- The Superior IO-360 series engine: https://openairdocs.org/engine/superior-io-360-series.md

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