# N985ER: Dubois Christopher D CHALLENGER II

- Status: Valid registration
- Airframe: [Dubois Christopher D CHALLENGER II](https://openairdocs.org/model/dubois-christopher-d-challenger-ii) (registry code 05623WN, 2 seats)
- Engine: [Bombardier ROTAX (ALL)](https://openairdocs.org/engine/bombardier-rotax-all) (registry code 09050)
- Serial number: CH20793CW0988
- Type: Fixed wing single engine
- Engine type: Reciprocating
- Airworthiness: Experimental, amateur built
- Airworthiness date: December 21, 1994
- Certificate issued: November 4, 2021
- Expires: November 30, 2028
- Mode S code: ADBE2B
- Registered owner: [Beers Alan](https://openairdocs.org/faa-owner/BEERS%20ALAN)
- Location: [Evansville, IN](https://openairdocs.org/faa-place/IN/Evansville)
- Owner type: Individual
- Owner's area on the map: 38.0153° N, 87.5367° W: Placed by OpenAirDocs at the center of ZIP code 47711, within about 2 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=985ER
- Page: https://openairdocs.org/aircraft/N985ER

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 (Dubois Christopher D CHALLENGER II)

None in force.

### Matched by engine (Bombardier ROTAX (ALL))

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N985ER.

## FAA accident and incident reports

None matched to N985ER.

## 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 Dubois Christopher D CHALLENGER II aircraft: https://openairdocs.org/model/dubois-christopher-d-challenger-ii/aircraft.md
- The Bombardier ROTAX (ALL) engine: https://openairdocs.org/engine/bombardier-rotax-all.md

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