# N6109Z: 2005 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 503 series](https://openairdocs.org/engine/rotax-503-series) (registry code 55564)
- Serial number: 688 7485
- Year built: 2005
- Type: Fixed wing single engine
- Engine type: 2 cycle
- Airworthiness: Experimental, registered before 01/31/08
- Airworthiness date: January 6, 2008
- Certificate issued: November 7, 2008
- Expires: October 31, 2028
- Mode S code: A7F269
- Registered owner: [Frerichs Kevin M](https://openairdocs.org/faa-owner/FRERICHS%20KEVIN%20M)
- Location: [Ogallala, NE](https://openairdocs.org/faa-place/NE/Ogallala)
- Owner type: Individual
- Owner's area on the map: 41.0757° N, 101.6703° W: Placed by OpenAirDocs at the center of ZIP code 69153, within about 9 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=6109Z
- Page: https://openairdocs.org/aircraft/N6109Z

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 II)

None in force.

### Matched by engine (Rotax 503 series)

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N6109Z.

## FAA accident and incident reports

None matched to N6109Z.

## 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 N6109Z

The FAA can reassign an N-number once a registration is cancelled. These aircraft carried N6109Z before.

- [Cancelled 1970-06-26](https://openairdocs.org/deregistered/N6109Z-1970-06-26): Piper PA-25-150, S/N 25-127. Owner: [C Paul Jenkins Jr](https://openairdocs.org/faa-owner/C%20PAUL%20JENKINS%20JR), [Camilla, GA](https://openairdocs.org/faa-place/GA/Camilla)

## Related

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

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