# N803SM: Pfeifer Michael A CHALLENGER LSS II

- Status: Valid registration
- Airframe: [Pfeifer Michael A CHALLENGER LSS II](https://openairdocs.org/model/pfeifer-michael-a-challenger-lss-ii) (registry code 05629KW, 2 seats)
- Engine: [Rotax 503 series](https://openairdocs.org/engine/rotax-503-series) (registry code 55564)
- Serial number: CH2-0107-LSS-0119
- Type: Fixed wing single engine
- Engine type: Reciprocating
- Kit: Quad City Ultralight Acft Corp CHALLENGER II
- Airworthiness: Experimental, amateur built
- Airworthiness date: May 11, 2010
- Certificate issued: May 15, 2024
- Expires: May 31, 2031
- Mode S code: AAEE9E
- Registered owner: [Aplin Jeffrey J](https://openairdocs.org/faa-owner/APLIN%20JEFFREY%20J)
- Location: [Camanche, IA](https://openairdocs.org/faa-place/IA/Camanche)
- Owner type: Individual
- Owner's area on the map: 41.7757° N, 90.3354° W: Placed by OpenAirDocs at the center of ZIP code 52730, 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=803SM
- Page: https://openairdocs.org/aircraft/N803SM

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 (Pfeifer Michael A CHALLENGER LSS II)

None in force.

### Matched by engine (Rotax 503 series)

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N803SM.

## FAA accident and incident reports

None matched to N803SM.

## 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 N803SM

The FAA can reassign an N-number once a registration is cancelled. These aircraft carried N803SM before.

- [Cancelled 2006-02-06](https://openairdocs.org/deregistered/N803SM-2006-02-06): Bell 206B, S/N 4043, built 1989. Exported to Panama. Owner: [Air Southwest Florida Corp](https://openairdocs.org/faa-owner/AIR%20SOUTHWEST%20FLORIDA%20CORP), [Wilmington, DE](https://openairdocs.org/faa-place/DE/Wilmington)

## Related

- Other Pfeifer Michael A CHALLENGER LSS II aircraft: https://openairdocs.org/model/pfeifer-michael-a-challenger-lss-ii/aircraft.md
- The Rotax 503 series engine: https://openairdocs.org/engine/rotax-503-series.md

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