# N33993: 1975 Schweizer SGS 2-33A, registration cancelled 2016-04-12

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: April 12, 2016
- Exported to: Canada
- Status when cancelled: Valid registration
- Airframe: [Schweizer SGS 2-33A](https://openairdocs.org/model/schweizer-sgs-2-33a) (registry code 8051606)
- Engine: [NONE](https://openairdocs.org/engine/none) (registry code 00000)
- Data sheets: [TCDS G2EA](https://openairdocs.org/tcds/G2EA) (OpenAirDocs)
- Serial number: 409
- Year built: 1975
- Type of aircraft: Glider
- Engine type: None
- Airworthiness: Standard, glider
- Airworthiness date: October 1, 1975
- Certificate issued: November 8, 2004
- Last registry action: November 12, 2015
- Mode S code: A3BAED
- Owner when cancelled: [Crittenden William F](https://openairdocs.org/faa-owner/CRITTENDEN%20WILLIAM%20F)
- Location: [Yuma, AZ](https://openairdocs.org/faa-place/AZ/Yuma)
- Owner type: Individual
- Owner's area on the map: 32.7046° N, 114.6563° W: Placed by OpenAirDocs at the center of ZIP code 85364, within about 3 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N33993
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=33993
- Page: https://openairdocs.org/deregistered/N33993-2016-04-12

From the FAA registry file of October 29, 2026, cancelled registrations. Owners' street addresses are left out. The Mode S code belongs to the N-number, not the airframe.

ADs and bulletins for the Schweizer SGS 2-33A: https://openairdocs.org/model/schweizer-sgs-2-33a.md

## NTSB investigations (1)

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [NTSB NYC77FHA15](https://openairdocs.org/ntsb/NYC77FHA15), Feb 16, 1977: Schweizer SGS233 (N33993), Erwinna, PA, substantial damage

## FAA accident and incident reports (1)

From the FAA Accident/Incident Data System. Reports are matched to registry aircraft by N-number and event date, checked against the reported make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [Accident 19770216001119A](https://openairdocs.org/incident/19770216001119A), Feb 16, 1977: Scwzer SGS233A (N33993), Erwinna, PA, Substantial damage. N6393T, substantial dmg. Towed acft hit parked acft

## Other aircraft with N33993

- [Cancelled 1943-08-06](https://openairdocs.org/deregistered/N33993-1943-08-06): Taylorcraft BC12-65, S/N 2845

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