# N504QM: 2025 James D Register CHALLENGER II

- Status: Valid registration
- Airframe: [James D Register CHALLENGER II](https://openairdocs.org/model/james-d-register-challenger-ii) (registry code 056429M, 2 seats)
- Engine: [Hirth 3203](https://openairdocs.org/engine/hirth-3203) (registry code 33733)
- Serial number: CH2-1005-2686
- Year built: 2025
- Type: Fixed wing single engine
- Engine type: 2 cycle
- Kit: Quad City Ultralight Acft Corp CHALLENGER II
- Airworthiness: Experimental, amateur built
- Airworthiness date: August 24, 2025
- Certificate issued: July 9, 2025
- Expires: July 31, 2032
- Mode S code: A64A36
- Registered owner: [Register James D](https://openairdocs.org/faa-owner/REGISTER%20JAMES%20D)
- Location: [Clarksville, TN](https://openairdocs.org/faa-place/TN/Clarksville)
- Owner type: Individual
- Owner's area on the map: 36.4902° N, 87.2410° W: Placed by OpenAirDocs at the center of ZIP code 37043, 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=504QM
- Page: https://openairdocs.org/aircraft/N504QM

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 (James D Register CHALLENGER II)

None in force.

### Matched by engine (Hirth 3203)

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N504QM.

## FAA accident and incident reports

None matched to N504QM.

## 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 James D Register CHALLENGER II aircraft: https://openairdocs.org/model/james-d-register-challenger-ii/aircraft.md
- The Hirth 3203 engine: https://openairdocs.org/engine/hirth-3203.md

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