# N333PT: 2023 ALT 33 AL18

- Status: Valid registration
- Airframe: [ALT 33 AL18](https://openairdocs.org/model/alt-33-al18) (registry code 056410E, 2 seats)
- Engine: [Lycoming YIO-390 series](https://openairdocs.org/engine/lycoming-yio-390-series) (registry code 42418)
- Serial number: AL-378
- Year built: 2023
- Type: Fixed wing single engine
- Engine type: 4 cycle
- Kit: American Legend Aircraft Co AL18
- Airworthiness: Experimental, amateur built
- Airworthiness date: September 27, 2023
- Certificate issued: August 15, 2023
- Expires: August 31, 2030
- Mode S code: A3A24B
- Registered owner: [Alt 33 LLC](https://openairdocs.org/faa-owner/ALT%2033%20LLC)
- Location: [Westlake, TX](https://openairdocs.org/faa-place/TX/Westlake)
- Owner type: LLC
- Owner's area on the map: 33.0097° N, 97.2200° W: Placed by OpenAirDocs at the center of ZIP code 76262, within about 4 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=333PT
- Page: https://openairdocs.org/aircraft/N333PT

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 Lycoming YIO-390 model are included.

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

### Matched by airframe (ALT 33 AL18)

None in force.

### Matched by engine (Lycoming YIO-390 series)

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N333PT.

## FAA accident and incident reports

None matched to N333PT.

## 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 N333PT

The FAA can reassign an N-number once a registration is cancelled. These aircraft carried N333PT before.

- [Cancelled 2013-08-06](https://openairdocs.org/deregistered/N333PT-2013-08-06): Seales Frankie Paul PT 2 B, S/N PT1003, built 1991. Sale reported, canceled. Owner: [Crestview, FL](https://openairdocs.org/faa-place/FL/Crestview)
- [Cancelled 1990-01-16](https://openairdocs.org/deregistered/N333PT-1990-01-16): Piper PA-31P, S/N 31P7400194. N-number assigned, not yet registered

## Related

- Other ALT 33 AL18 aircraft: https://openairdocs.org/model/alt-33-al18/aircraft.md
- The Lycoming YIO-390 series engine: https://openairdocs.org/engine/lycoming-yio-390-series.md

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