# N1731C: 2010 Jones Brian K CHALLENGER II

- Status: Valid registration
- Airframe: [Jones Brian K CHALLENGER II](https://openairdocs.org/model/jones-brian-k-challenger-ii) (registry code 056293Y, 2 seats)
- Engine: [Rotax 503 series](https://openairdocs.org/engine/rotax-503-series) (registry code 55564)
- Serial number: CH2-0103-2293
- Year built: 2010
- Type: Fixed wing single engine
- Engine type: 2 cycle
- Airworthiness: Experimental, amateur built
- Airworthiness date: September 28, 2010
- Certificate issued: February 21, 2026
- Expires: February 28, 2033
- Mode S code: A126D0
- Registered owner: [Eickholt Alex C](https://openairdocs.org/faa-owner/EICKHOLT%20ALEX%20C)
- Location: [Ottoville, OH](https://openairdocs.org/faa-place/OH/Ottoville)
- Owner type: Individual
- Owner's area on the map: 40.9340° N, 84.3387° W: Placed by OpenAirDocs at the center of ZIP code 45876, within about a mile (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=1731C
- Page: https://openairdocs.org/aircraft/N1731C

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 Rotax 503 model are included.

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

### Matched by airframe (Jones Brian K CHALLENGER II)

None in force.

### Matched by engine (Rotax 503 series)

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N1731C.

## NTSB investigations on N1731C not matched to an aircraft (2)

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [NTSB MKC70D0101](https://openairdocs.org/ntsb/MKC70D0101), Jun 13, 1969: Cessna 180 (N1731C), Little Falls, MN, substantial damage
- [NTSB UNK65X0307](https://openairdocs.org/ntsb/UNK65X0307), Oct 17, 1964: Cessna 180 (N1731C), Fayetteville, AR, minor damage

## FAA accident and incident reports

None matched to N1731C.

## 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.

## Related

- Other Jones Brian K CHALLENGER II aircraft: https://openairdocs.org/model/jones-brian-k-challenger-ii/aircraft.md
- The Rotax 503 series engine: https://openairdocs.org/engine/rotax-503-series.md

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