# N877MW: 2010 Windschitl Mike CHALLENGER II

- Status: Valid registration
- Airframe: [Windschitl Mike CHALLENGER II](https://openairdocs.org/model/windschitl-mike-challenger-ii) (registry code 05628M3, 2 seats)
- Engine: [Rotax 503 DCDI](https://openairdocs.org/engine/rotax-503-dcdi) (registry code 55566)
- Serial number: CH2-0104-R-2417
- Year built: 2010
- Type: Fixed wing single engine
- Engine type: 2 cycle
- Kit: Quad City Ultralight Acft Corp CHALLENGER II
- Airworthiness: Experimental, amateur built
- Airworthiness date: September 24, 2010
- Certificate issued: August 17, 2009
- Expires: June 30, 2028
- Mode S code: AC117F
- Registered owner: [Windschitl Mike G](https://openairdocs.org/faa-owner/WINDSCHITL%20MIKE%20G)
- Location: [Comfrey, MN](https://openairdocs.org/faa-place/MN/Comfrey)
- Owner type: Individual
- Owner's area on the map: 44.1159° N, 94.8890° W: Placed by OpenAirDocs at the center of ZIP code 56019, 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=877MW
- Page: https://openairdocs.org/aircraft/N877MW

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 (Windschitl Mike CHALLENGER II)

None in force.

### Matched by engine (Rotax 503 DCDI)

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N877MW.

## FAA accident and incident reports

None matched to N877MW.

## 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 Windschitl Mike CHALLENGER II aircraft: https://openairdocs.org/model/windschitl-mike-challenger-ii/aircraft.md
- The Rotax 503 DCDI engine: https://openairdocs.org/engine/rotax-503-dcdi.md

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