# N5611V: 2001 Quad City CHALLENGER II

- Status: Valid registration
- Airframe: [Quad City CHALLENGER II](https://openairdocs.org/model/quad-city-challenger-ii) (registry code 05901KR, 2 seats)
- Engine: [Rotax 503 DCDI](https://openairdocs.org/engine/rotax-503-dcdi) (registry code 55566)
- Serial number: CH2-1198-B-1800
- Year built: 2001
- Type: Fixed wing single engine
- Engine type: 2 cycle
- Airworthiness: Experimental, registered before 01/31/08
- Airworthiness date: January 31, 2008
- Certificate issued: September 19, 2007
- Expires: July 31, 2028
- Mode S code: A72D30
- Registered owner: [Bahr Donald G](https://openairdocs.org/faa-owner/BAHR%20DONALD%20G)
- Location: [Austin, TX](https://openairdocs.org/faa-place/TX/Austin)
- Owner type: Individual
- Owner's area on the map: 30.3567° N, 97.6393° W: Placed by OpenAirDocs at the center of ZIP code 78754, within about 2 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=5611V
- Page: https://openairdocs.org/aircraft/N5611V

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 CHALLENGER II)

None in force.

### Matched by engine (Rotax 503 DCDI)

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N5611V.

## FAA accident and incident reports

None matched to N5611V.

## 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 N5611V

The FAA can reassign an N-number once a registration is cancelled. These aircraft carried N5611V before.

- [Cancelled 1972-11-15](https://openairdocs.org/deregistered/N5611V-1972-11-15): Stinson L-5, S/N 76-1775. Owner: [Marques Eugene](https://openairdocs.org/faa-owner/MARQUES%20EUGENE), [Honolulu, HI](https://openairdocs.org/faa-place/HI/Honolulu)

## Related

- Other Quad City CHALLENGER II aircraft: https://openairdocs.org/model/quad-city-challenger-ii/aircraft.md
- The Rotax 503 DCDI engine: https://openairdocs.org/engine/rotax-503-dcdi.md

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