# N81JS: 2022 John C Sieberts RANS S-21

- Status: Valid registration
- Airframe: [John C Sieberts RANS S-21](https://openairdocs.org/model/john-c-sieberts-rans-s-21) (registry code 05640S8, 2 seats)
- Engine: [Continental IOX340 series](https://openairdocs.org/engine/continental-iox340-series) (registry code 17490)
- Serial number: 04200097
- Year built: 2022
- Type: Fixed wing single engine
- Engine type: Reciprocating
- Kit: Rans Designs Inc S-21 OUTBOUND
- Airworthiness: Experimental, amateur built
- Airworthiness date: April 19, 2022
- Certificate issued: February 17, 2022
- Expires: February 28, 2029
- Mode S code: AB07DC
- Registered owner: [Sieberts John C](https://openairdocs.org/faa-owner/SIEBERTS%20JOHN%20C)
- Location: [Sedona, AZ](https://openairdocs.org/faa-place/AZ/Sedona)
- Owner type: Individual
- Owner's area on the map: 34.7785° N, 111.7851° W: Placed by OpenAirDocs at the center of ZIP code 86351, within about 4 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=81JS
- Page: https://openairdocs.org/aircraft/N81JS

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 IOX340 model are included.

## ADs that may apply (OpenAirDocs): 0 in force

### Matched by airframe (John C Sieberts RANS S-21)

None in force.

### Matched by engine (Continental IOX340 series)

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N81JS.

## FAA accident and incident reports

None matched to N81JS.

## 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)

None matched to this aircraft's models.

## Earlier aircraft with N81JS

The FAA can reassign an N-number once a registration is cancelled. These aircraft carried N81JS before.

- [Cancelled 2014-11-26](https://openairdocs.org/deregistered/N81JS-2014-11-26): Smart John H MINI COUPE, S/N 265. Registration expired, pending cancellation. Owner: [Smart John H](https://openairdocs.org/faa-owner/SMART%20JOHN%20H), [Yakima, WA](https://openairdocs.org/faa-place/WA/Yakima)

## Related

- Other John C Sieberts RANS S-21 aircraft: https://openairdocs.org/model/john-c-sieberts-rans-s-21/aircraft.md
- The Continental IOX340 series engine: https://openairdocs.org/engine/continental-iox340-series.md

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