# N6533R: 1987 Quad City Ultralight Acft CHALLENGER II

- Status: Valid registration
- Airframe: [Quad City Ultralight Acft CHALLENGER II](https://openairdocs.org/model/quad-city-ultralight-acft-challenger-ii) (registry code 059010Q, 2 seats)
- Engine: [Rotax 503DCSI](https://openairdocs.org/engine/rotax-503dcsi) (registry code 55567)
- Serial number: OH2 1187 B0275
- Year built: 1987
- Type: Fixed wing single engine
- Engine type: 2 cycle
- Airworthiness: Experimental, registered before 01/31/08
- Airworthiness date: November 8, 2007
- Certificate issued: February 11, 2008
- Expires: July 31, 2029
- Mode S code: A89AB0
- Registered owner: [Richard Michael F](https://openairdocs.org/faa-owner/RICHARD%20MICHAEL%20F)
- Location: [Arnaudville, LA](https://openairdocs.org/faa-place/LA/Arnaudville)
- Owner type: Individual
- Owner's area on the map: 30.4157° N, 91.9205° W: Placed by OpenAirDocs at the center of ZIP code 70512, 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=6533R
- Page: https://openairdocs.org/aircraft/N6533R

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 II)

None in force.

### Matched by engine (Rotax 503DCSI)

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N6533R.

## FAA accident and incident reports

None matched to N6533R.

## 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 N6533R

The FAA can reassign an N-number once a registration is cancelled. These aircraft carried N6533R before.

- [Cancelled 1975-12-08](https://openairdocs.org/deregistered/N6533R-1975-12-08): Boeing-Vertol 219 CH47C, S/N D024. Exported to Italy. Owner: [Boeing Vertol Co](https://openairdocs.org/faa-owner/BOEING%20VERTOL%20CO), [Philadelphia, PA](https://openairdocs.org/faa-place/PA/Philadelphia)

## Related

- Other Quad City Ultralight Acft CHALLENGER II aircraft: https://openairdocs.org/model/quad-city-ultralight-acft-challenger-ii/aircraft.md
- The Rotax 503DCSI engine: https://openairdocs.org/engine/rotax-503dcsi.md

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