# N271K: 1929 Spartan C3-120

- Status: Valid registration
- Airframe: [Spartan C3-120](https://openairdocs.org/model/spartan-c3-120) (registry code 8430206, 3 seats)
- Engine: [Walter NZ](https://openairdocs.org/engine/walter-nz) (registry code 64001)
- Data sheets: [TCDS ATC 73 Spartan](https://openairdocs.org/tcds/ATC%2073%20Spartan) (Spartan Aircraft Company), [TCDS Group 3 Walter](https://openairdocs.org/tcds/Group%203%20Walter) (Walter) (OpenAirDocs)
- Serial number: 99
- Year built: 1929
- Type: Fixed wing single engine
- Engine type: Reciprocating
- Airworthiness: Standard
- Certificate issued: November 30, 2012
- Expires: November 30, 2028
- Mode S code: A2AB14
- Registered owners: [Warthan David C](https://openairdocs.org/faa-owner/WARTHAN%20DAVID%20C), [Warthan Douglas D](https://openairdocs.org/faa-owner/WARTHAN%20DOUGLAS%20D)
- Location: [Dubuque, IA](https://openairdocs.org/faa-place/IA/Dubuque)
- Owner type: Co-owned
- Owner's area on the map: 42.5483° N, 90.6937° W: Placed by OpenAirDocs at the center of ZIP code 52001, 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=271K
- Page: https://openairdocs.org/aircraft/N271K

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 (Spartan C3-120)

None in force.

### Matched by engine (Walter NZ)

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N271K.

## FAA accident and incident reports

None matched to N271K.

## 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 airframe (Spartan C3-120)

- [STC SA04652CH](https://openairdocs.org/stc/SA04652CH): To allow use of 100R grade aviation fuel meeting Swift Fuel, LLC specification. Swift Fuels LLC

## Related

- Other Spartan C3-120 aircraft: https://openairdocs.org/model/spartan-c3-120/aircraft.md
- The Walter NZ engine: https://openairdocs.org/engine/walter-nz.md

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