# N233GB: Schweizer SGS 2-33B

- Status: Valid registration
- Airframe: [Schweizer SGS 2-33B](https://openairdocs.org/model/schweizer-sgs-2-33b) (registry code 8051607, 2 seats)
- Engine: [NONE](https://openairdocs.org/engine/none) (registry code 00000)
- Serial number: 60
- Type: Glider
- Engine type: None
- Airworthiness: Standard, utility
- Airworthiness date: March 12, 2025
- Certificate issued: November 22, 2025
- Expires: November 30, 2032
- Mode S code: A2143D
- Registered owner: [Mit Soaring Association Inc](https://openairdocs.org/faa-owner/MIT%20SOARING%20ASSOCIATION%20INC)
- Location: [Sterling, MA](https://openairdocs.org/faa-place/MA/Sterling)
- Owner type: Corporation
- Owner's area on the map: 42.4479° N, 71.7760° W: Placed by OpenAirDocs at the center of ZIP code 01564, 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=233GB
- Page: https://openairdocs.org/aircraft/N233GB

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 (Schweizer SGS 2-33B)

None in force.

### Matched by engine (NONE)

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N233GB.

## FAA accident and incident reports

None matched to N233GB.

## 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 N233GB

The FAA can reassign an N-number once a registration is cancelled. These aircraft carried N233GB before.

- [Cancelled 2013-02-11](https://openairdocs.org/deregistered/N233GB-2013-02-11): Beech U-8D, S/N 57-3084, built 1957. Registration expired, pending cancellation. Owner: [Blue Skys Inc](https://openairdocs.org/faa-owner/BLUE%20SKYS%20INC), [Gillette, WY](https://openairdocs.org/faa-place/WY/Gillette)

## Related

- Other Schweizer SGS 2-33B aircraft: https://openairdocs.org/model/schweizer-sgs-2-33b/aircraft.md
- The NONE engine: https://openairdocs.org/engine/none.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.
