# N203UM: Mendoza Luis H CHALLENGER II

- Status: Valid registration
- Airframe: [Mendoza Luis H CHALLENGER II](https://openairdocs.org/model/mendoza-luis-h-challenger-ii) (registry code 05605LK, 2 seats)
- Serial number: CH2-0497-1601
- Type: Fixed wing single engine
- Engine type: Reciprocating
- Certificate issued: July 11, 2022
- Expires: July 31, 2029
- Mode S code: A19EF6
- Registered owner: [Maldonado Cesar O](https://openairdocs.org/faa-owner/MALDONADO%20CESAR%20O)
- Location: Utuado, PR, RQ
- Owner type: Individual
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=203UM
- Page: https://openairdocs.org/aircraft/N203UM

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 (Mendoza Luis H CHALLENGER II)

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N203UM.

## FAA accident and incident reports

None matched to N203UM.

## 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 Mendoza Luis H CHALLENGER II aircraft: https://openairdocs.org/model/mendoza-luis-h-challenger-ii/aircraft.md

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.