# N2073: 1926 Ryan M-1

- Status: Valid registration
- Airframe: [Ryan M-1](https://openairdocs.org/model/ryan-m-1) (registry code 7831211, 2 seats)
- Engine: [Lycoming R680](https://openairdocs.org/engine/lycoming-r680) (registry code 41540)
- Data sheets: [TCDS ATC 42 Textron Lycoming](https://openairdocs.org/tcds/ATC%2042%20Textron%20Lycoming) (Textron Lycoming AVCO Corporation) (OpenAirDocs)
- Serial number: 7
- Year built: 1926
- Type: Fixed wing single engine
- Engine type: Reciprocating
- Airworthiness: Experimental, exhibition, racing
- Airworthiness date: June 6, 2001
- Certificate issued: December 27, 2012
- Expires: December 31, 2028
- Mode S code: A1AEC5
- Registered owners: [Cournoyer John J](https://openairdocs.org/faa-owner/COURNOYER%20JOHN%20J), [Stix Albert](https://openairdocs.org/faa-owner/STIX%20ALBERT)
- Location: [Ellsinore, MO](https://openairdocs.org/faa-place/MO/Ellsinore)
- Owner type: Co-owned
- Owner's area on the map: 36.9538° N, 90.7534° W: Placed by OpenAirDocs at the center of ZIP code 63937, within about 7 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=2073
- Page: https://openairdocs.org/aircraft/N2073

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): 5 in force

### Matched by airframe (Ryan M-1)

None in force.

### Matched by engine (Lycoming R680)

- [AD 2012-03-07](https://openairdocs.org/ad/2012-03-07): Carburetor · Lycoming Engines GO-435, GO-435-C2 (O-435-17), GO-435-C2A and 389 more. Effective Mar 27, 2012
- [AD 2004-10-14](https://openairdocs.org/ad/2004-10-14): Crankshaft gear · Lycoming Engines AEIO-320-D1B, AEIO-320-D2B, AEIO-320-E1A and 642 more. Effective Jun 25, 2004
- [AD 95-26-02](https://openairdocs.org/ad/95-26-02): Aviation Gasoline · Lycoming Engines IO-320-B1A, IO-320-B1B, IO-320-B1C and 182 more. Effective Jan 24, 1996
- [AD 90-04-06 R1](https://openairdocs.org/ad/90-04-06-R1): Propeller Governor External Oil Line · Lycoming Engines AEIO-320-D1B, AEIO-320-D2B, AEIO-320-E1A and 427 more. Effective May 28, 1991
- [AD 66-06-03](https://openairdocs.org/ad/66-06-03): Connecting Rod Assemblies · Lycoming Engines GO-435-C2 (O-435-17), GO-435-C2A, GO-435-C2A2 and 317 more. Effective Jan 16, 1969

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N2073.

## FAA accident and incident reports

None matched to N2073.

## 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) (1)

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 (Lycoming R680)

- [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

## Earlier aircraft with N2073

The FAA can reassign an N-number once a registration is cancelled. These aircraft carried N2073 before.

- [Cancelled 1968-07-02](https://openairdocs.org/deregistered/N2073-1968-07-02): Semco Balloon TC-4, S/N SEM16, built 1968. Exported to Nicaragua. Owner: [Semich Mark M](https://openairdocs.org/faa-owner/SEMICH%20MARK%20M), [Coeur D'Alene, ID](https://openairdocs.org/faa-place/ID/Coeur%20D'Alene)
- [Cancelled 1927-07-01](https://openairdocs.org/deregistered/N2073-1927-07-01): Ryan Airlines MONOPLANE, S/N 8, built 1927. Owner: [Pacific Air Transport](https://openairdocs.org/faa-owner/PACIFIC%20AIR%20TRANSPORT), [San Francisco, CA](https://openairdocs.org/faa-place/CA/San%20Francisco)

## Related

- Other Ryan M-1 aircraft: https://openairdocs.org/model/ryan-m-1/aircraft.md
- The Lycoming R680 engine: https://openairdocs.org/engine/lycoming-r680.md

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