# N10812: 1931 Stinson SM-7B

- Status: Valid registration
- Airframe: [Stinson SM-7B](https://openairdocs.org/model/stinson-sm-7b) (registry code 8630704, 4 seats)
- Engine: [Pratt & Whitney WJR-B-S-T](https://openairdocs.org/engine/pratt-whitney-wjr-b-s-t) (registry code 52007)
- Data sheets: [TCDS ATC 329](https://openairdocs.org/tcds/ATC%20329) (Consolidated Vultee Aircraft Corporation Stinson Division) (OpenAirDocs)
- Serial number: M3013
- Year built: 1931
- Type: Fixed wing single engine
- Engine type: Reciprocating
- Airworthiness: Restricted, agriculture and pest control
- Airworthiness date: June 27, 1956
- Certificate issued: June 11, 2014
- Expires: June 30, 2027
- Mode S code: A02502
- Registered owner: [Larkin Marion J](https://openairdocs.org/faa-owner/LARKIN%20MARION%20J)
- Location: [Salome, AZ](https://openairdocs.org/faa-place/AZ/Salome)
- Owner type: Individual
- Owner's area on the map: 33.6992° N, 113.6639° W: Placed by OpenAirDocs at the center of ZIP code 85348, within about 15 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=10812
- Page: https://openairdocs.org/aircraft/N10812

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 (Stinson SM-7B)

None in force.

### Matched by engine (Pratt & Whitney WJR-B-S-T)

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N10812.

## FAA accident and incident reports

None matched to N10812.

## 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 airframe (Stinson SM-7B)

- [STC SA04652CH](https://openairdocs.org/stc/SA04652CH): To allow use of 100R grade aviation fuel meeting Swift Fuel, LLC specification. Swift Fuels LLC
- [STC SA01757WI](https://openairdocs.org/stc/SA01757WI): To allow the use of UL91 or UL94 (minimum) grade aviation fuel. Swift Fuels LLC
- [STC SA01282NY](https://openairdocs.org/stc/SA01282NY): Installation of Airwolf remote mounted engine oil filter kit AFC-K015 on aircraft powered by Pratt & Whitney radial reciprocating engine Series R-985, R-1340 and R-1830. Airwolf Filter Corporation
- [STC SA02033AT](https://openairdocs.org/stc/SA02033AT): Modification to install an air-oil separator to prevent oil from being aspirated from the engine breather line. M-20 Oil Separators LLC

## Related

- Other Stinson SM-7B aircraft: https://openairdocs.org/model/stinson-sm-7b/aircraft.md
- The Pratt & Whitney WJR-B-S-T engine: https://openairdocs.org/engine/pratt-whitney-wjr-b-s-t.md

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