# N9Y: 1954 Oldfield SPECIAL

- Status: Valid registration
- Airframe: [Oldfield SPECIAL](https://openairdocs.org/model/oldfield-special) (registry code 05601VX, 2 seats)
- Engine: [Continental A80 series](https://openairdocs.org/engine/continental-a80-series) (registry code 17006)
- Data sheets: [TCDS TC 217](https://openairdocs.org/tcds/TC%20217) (Continental Motors Inc) (OpenAirDocs)
- Serial number: 1
- Year built: 1954
- Type: Fixed wing single engine
- Engine type: Reciprocating
- Airworthiness: Experimental, amateur built
- Airworthiness date: April 8, 1966
- Certificate issued: May 8, 2012
- Expires: May 31, 2028
- Mode S code: AC6CA0
- Registered owner: [Mann Perry S](https://openairdocs.org/faa-owner/MANN%20PERRY%20S)
- Location: [Healdsburg, CA](https://openairdocs.org/faa-place/CA/Healdsburg)
- Owner type: Individual
- Owner's area on the map: 38.6230° N, 122.8891° W: Placed by OpenAirDocs at the center of ZIP code 95448, within about 8 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=9Y
- Page: https://openairdocs.org/aircraft/N9Y

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 Continental A80 model are included.

## ADs that may apply (OpenAirDocs): 2 in force

### Matched by airframe (Oldfield SPECIAL)

None in force.

### Matched by engine (Continental A80 series)

- [AD 69-09-01](https://openairdocs.org/ad/69-09-01): Eisemann Magnetos · Eisemann Magnetos, 2A4-45-B2, 2A4-49-B2 and 158 more
- [AD 46-36-01](https://openairdocs.org/ad/46-36-01): Piston Pins · Continental Motors A-65-1, A-65-12, A-65-12F and 32 more

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N9Y.

## FAA accident and incident reports

None matched to N9Y.

## 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) (4)

Approved for this aircraft's airframe or engine model, in force first, then newest. The registry doesn't record which STCs an aircraft has; its records do.

### Approved for the engine (Continental A80 series)

- [STC SE04651CH](https://openairdocs.org/stc/SE04651CH): To allow use of l00R grade aviation fuel meeting Swift Fuel, LLC specification SPEC-l00R-22. Swift Fuels LLC. Lists A-80-5J
- [STC SE03232CH](https://openairdocs.org/stc/SE03232CH): Installation of Engine Preheat Kit p/n TA2925-1 for 115 volt application. Hartzell Propeller Inc. Lists A-80-5J
- [STC SE04577CH](https://openairdocs.org/stc/SE04577CH): Install an electronic engine ignition system. Electroair Acquisition Corp. Lists A-80-5J
- [STC SE1780NM](https://openairdocs.org/stc/SE1780NM): Installation of Precise Flight standby vacuum system (SVS III). Precise Flight Inc. Lists A-80-5J

## Earlier aircraft with N9Y

The FAA can reassign an N-number once a registration is cancelled. These aircraft carried N9Y before.

- [Cancelled 1935-07-04](https://openairdocs.org/deregistered/N9Y-1935-07-04): Stinson SM-8A, S/N M-4254. Owner: [Bureau Of Air Commerce](https://openairdocs.org/faa-owner/BUREAU%20OF%20AIR%20COMMERCE), [Washington, DC](https://openairdocs.org/faa-place/DC/Washington)

## Related

- Other Oldfield SPECIAL aircraft: https://openairdocs.org/model/oldfield-special/aircraft.md
- The Continental A80 series engine: https://openairdocs.org/engine/continental-a80-series.md

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