# N8612A: 1989 Quad City Ultralight Acft CHALLENGER CW11

- Status: Valid registration
- Airframe: [Quad City Ultralight Acft CHALLENGER CW11](https://openairdocs.org/model/quad-city-ultralight-acft-challenger-cw11) (registry code 05902BC, 2 seats)
- Engine: [Rotax 503 series](https://openairdocs.org/engine/rotax-503-series) (registry code 55564)
- Serial number: 0455
- Year built: 1989
- Type: Fixed wing single engine
- Engine type: 2 cycle
- Airworthiness: Experimental, registered before 01/31/08
- Airworthiness date: June 1, 2007
- Certificate issued: March 30, 2007
- Expires: March 31, 2030
- Mode S code: ABD52D
- Registered owner: [Williamson Rodney J](https://openairdocs.org/faa-owner/WILLIAMSON%20RODNEY%20J)
- Location: [Neoga, IL](https://openairdocs.org/faa-place/IL/Neoga)
- Owner type: Individual
- Owner's area on the map: 39.3132° N, 88.4447° W: Placed by OpenAirDocs at the center of ZIP code 62447, within about 4 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=8612A
- Page: https://openairdocs.org/aircraft/N8612A

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 (Quad City Ultralight Acft CHALLENGER CW11)

None in force.

### Matched by engine (Rotax 503 series)

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N8612A.

## FAA accident and incident reports

None matched to N8612A.

## 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 Quad City Ultralight Acft CHALLENGER CW11 aircraft: https://openairdocs.org/model/quad-city-ultralight-acft-challenger-cw11/aircraft.md
- The Rotax 503 series engine: https://openairdocs.org/engine/rotax-503-series.md

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