# N83HF: 2022 Russell Heppner/Bonnie Heppner S-21

- Status: Valid registration
- Airframe: [Russell Heppner/Bonnie Heppner S-21](https://openairdocs.org/model/russell-heppner-bonnie-heppner-s-21) (registry code 056400O, 2 seats)
- Engine: [Continental IOX340 series](https://openairdocs.org/engine/continental-iox340-series) (registry code 17490)
- Serial number: 03200092
- Year built: 2022
- Type: Fixed wing single engine
- Engine type: Reciprocating
- Kit: Rans Designs Inc S-21 OUTBOUND
- Airworthiness: Experimental, amateur built
- Airworthiness date: November 25, 2022
- Certificate issued: June 10, 2026
- Expires: June 30, 2033
- Mode S code: AB56B6
- Registered owner: [Red Baron Aeroplanes LLC](https://openairdocs.org/faa-owner/RED%20BARON%20AEROPLANES%20LLC)
- Location: [Eaton, CO](https://openairdocs.org/faa-place/CO/Eaton)
- Owner type: LLC
- Owner's area on the map: 40.5457° N, 104.6457° W: Placed by OpenAirDocs at the center of ZIP code 80615, within about 6 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=83HF
- Page: https://openairdocs.org/aircraft/N83HF

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 (Russell Heppner/Bonnie Heppner S-21)

None in force.

### Matched by engine (Continental IOX340 series)

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N83HF.

## FAA accident and incident reports

None matched to N83HF.

## 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 N83HF

The FAA can reassign an N-number once a registration is cancelled. These aircraft carried N83HF before.

- [Cancelled 2014-07-02](https://openairdocs.org/deregistered/N83HF-2014-07-02): British Aerospace HS 125-700A, S/N NA0339, built 1981. Third renewal notice. Owner: [Mountain Aviation LLC](https://openairdocs.org/faa-owner/MOUNTAIN%20AVIATION%20LLC), [Cheyenne, WY](https://openairdocs.org/faa-place/WY/Cheyenne)

## Related

- Other Russell Heppner/Bonnie Heppner S-21 aircraft: https://openairdocs.org/model/russell-heppner-bonnie-heppner-s-21/aircraft.md
- The Continental IOX340 series engine: https://openairdocs.org/engine/continental-iox340-series.md

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