# N912CS: 1991 G N S Aeroclub CHALLENGER II

- Status: Valid registration
- Airframe: [G N S Aeroclub CHALLENGER II](https://openairdocs.org/model/g-n-s-aeroclub-challenger-ii) (registry code 05676QL, 2 seats)
- Engine: [Amateur-built UNKNOWN ENG](https://openairdocs.org/engine/amateur-built-unknown-eng) (registry code 99999)
- Serial number: CH21190CW0590
- Year built: 1991
- Type: Fixed wing single engine
- Engine type: Reciprocating
- Airworthiness: Standard, normal
- Airworthiness date: October 18, 1991
- Certificate issued: April 10, 2014
- Expires: April 30, 2027
- Mode S code: AC9E5C
- Registered owner: [Rummery James Dean](https://openairdocs.org/faa-owner/RUMMERY%20JAMES%20DEAN)
- Location: [Muscatine, IA](https://openairdocs.org/faa-place/IA/Muscatine)
- Owner type: Individual
- Owner's area on the map: 41.4399° N, 91.0643° W: Placed by OpenAirDocs at the center of ZIP code 52761, within about 8 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=912CS
- Page: https://openairdocs.org/aircraft/N912CS

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 (G N S Aeroclub CHALLENGER II)

None in force.

### Matched by engine (Amateur-built UNKNOWN ENG)

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N912CS.

## FAA accident and incident reports

None matched to N912CS.

## 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 G N S Aeroclub CHALLENGER II aircraft: https://openairdocs.org/model/g-n-s-aeroclub-challenger-ii/aircraft.md
- The Amateur-built UNKNOWN ENG engine: https://openairdocs.org/engine/amateur-built-unknown-eng.md

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