# N504BC: 2021 Carlos E Luengas MTO CLASSIC

- Status: Valid registration
- Airframe: [Carlos E Luengas MTO CLASSIC](https://openairdocs.org/model/carlos-e-luengas-mto-classic) (registry code 05640EE, 2 seats)
- Engine: [Rotax 912ULS series](https://openairdocs.org/engine/rotax-912uls-series) (registry code 55572)
- Serial number: M01906
- Year built: 2021
- Type: Gyroplane
- Engine type: Reciprocating
- Kit: Autogyro Gmbh MTO CLASSIC
- Airworthiness: Experimental, amateur built
- Airworthiness date: July 27, 2021
- Certificate issued: July 14, 2021
- Expires: July 31, 2028
- Mode S code: A648E8
- Registered owner: [Luengas Carlos E](https://openairdocs.org/faa-owner/LUENGAS%20CARLOS%20E)
- Location: [Fort Worth, TX](https://openairdocs.org/faa-place/TX/Fort%20Worth)
- Owner type: Individual
- Owner's area on the map: 32.6682° N, 97.4159° W: Placed by OpenAirDocs at the center of ZIP code 76132, 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=504BC
- Page: https://openairdocs.org/aircraft/N504BC

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 912ULS model are included.

## ADs that may apply (OpenAirDocs): 0 in force

### Matched by airframe (Carlos E Luengas MTO CLASSIC)

None in force.

### Matched by engine (Rotax 912ULS series)

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N504BC.

## FAA accident and incident reports

None matched to N504BC.

## 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 Carlos E Luengas MTO CLASSIC aircraft: https://openairdocs.org/model/carlos-e-luengas-mto-classic/aircraft.md
- The Rotax 912ULS series engine: https://openairdocs.org/engine/rotax-912uls-series.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.