# N133SW: 2021 Alexander Schleicher AS 33ES

- Status: Valid registration
- Airframe: [Alexander Schleicher AS 33ES](https://openairdocs.org/model/alexander-schleicher-as-33es) (registry code 3801560, 1 seats)
- Engine: [Solo 2350 series](https://openairdocs.org/engine/solo-2350-series) (registry code 58107)
- Serial number: 33010
- Year built: 2021
- Type: Glider
- Engine type: 2 cycle
- Airworthiness: Experimental, racing
- Airworthiness date: May 7, 2025
- Certificate issued: November 9, 2023
- Expires: November 30, 2030
- Mode S code: A087FB
- Registered owner: [Wetheimer Steven](https://openairdocs.org/faa-owner/WETHEIMER%20STEVEN)
- Location: [Kentfield, CA](https://openairdocs.org/faa-place/CA/Kentfield)
- Owner type: Individual
- Owner's area on the map: 37.9438° N, 122.5531° W: Placed by OpenAirDocs at the center of ZIP code 94904, within about a mile (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=133SW
- Page: https://openairdocs.org/aircraft/N133SW

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 Solo 2350 model are included.

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

### Matched by airframe (Alexander Schleicher AS 33ES)

None in force.

### Matched by engine (Solo 2350 series)

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N133SW.

## FAA accident and incident reports

None matched to N133SW.

## 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 N133SW

The FAA can reassign an N-number once a registration is cancelled. These aircraft carried N133SW before.

- [Cancelled 2018-07-12](https://openairdocs.org/deregistered/N133SW-2018-07-12): Cessna 150J, S/N 15069394, built 1968. Registration expired, pending cancellation. Owner: [Anguiano Jerry Ybarra](https://openairdocs.org/faa-owner/ANGUIANO%20JERRY%20YBARRA), [Kerrville, TX](https://openairdocs.org/faa-place/TX/Kerrville)

## Related

- Other Alexander Schleicher AS 33ES aircraft: https://openairdocs.org/model/alexander-schleicher-as-33es/aircraft.md
- The Solo 2350 series engine: https://openairdocs.org/engine/solo-2350-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.
