# N4735B: Quad City Ultralight Acft CHALLENGER SPECIAL

- Status: Valid registration
- Airframe: [Quad City Ultralight Acft CHALLENGER SPECIAL](https://openairdocs.org/model/quad-city-ultralight-acft-challenger-special) (registry code 05901N3, 1 seats)
- Engine: [Rotax 447](https://openairdocs.org/engine/rotax-447) (registry code 55576)
- Serial number: 0501-CW-0755
- Type: Fixed wing single engine
- Engine type: 2 cycle
- Airworthiness: Experimental, registered before 01/31/08
- Airworthiness date: October 25, 2006
- Certificate issued: November 27, 2023
- Expires: November 30, 2030
- Mode S code: A5CF48
- Registered owner: [Demunck Robert J](https://openairdocs.org/faa-owner/DEMUNCK%20ROBERT%20J)
- Location: [Allen, TX](https://openairdocs.org/faa-place/TX/Allen)
- Owner type: Individual
- Owner's area on the map: 33.0938° N, 96.6111° W: Placed by OpenAirDocs at the center of ZIP code 75002, within about 3 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=4735B
- Page: https://openairdocs.org/aircraft/N4735B

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 (Quad City Ultralight Acft CHALLENGER SPECIAL)

None in force.

### Matched by engine (Rotax 447)

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N4735B.

## FAA accident and incident reports

None matched to N4735B.

## 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.

## Earlier aircraft with N4735B

The FAA can reassign an N-number once a registration is cancelled. These aircraft carried N4735B before.

- [Cancelled 2007-04-23](https://openairdocs.org/deregistered/N4735B-2007-04-23): Cessna 152, S/N 15283607, built 1979. Exported to Mexico. Owner: [Sid Hall Enterprises Inc DBA](https://openairdocs.org/faa-owner/SID%20HALL%20ENTERPRISES%20INC%20DBA), [Albany, GA](https://openairdocs.org/faa-place/GA/Albany)
- [Cancelled 1970-05-11](https://openairdocs.org/deregistered/N4735B-1970-05-11): Cessna 180, S/N 31633. Exported to Canada. Owner: [Northern Light Gospel Mission](https://openairdocs.org/faa-owner/NORTHERN%20LIGHT%20GOSPEL%20MISSION), [Loman, MN](https://openairdocs.org/faa-place/MN/Loman)

## Related

- Other Quad City Ultralight Acft CHALLENGER SPECIAL aircraft: https://openairdocs.org/model/quad-city-ultralight-acft-challenger-special/aircraft.md
- The Rotax 447 engine: https://openairdocs.org/engine/rotax-447.md

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