# N17870: Schweizer SGS 2-33A, registration cancelled 1994-06-27

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: June 27, 1994
- Status when cancelled: Valid registration
- Airframe: [Schweizer SGS 2-33A](https://openairdocs.org/model/schweizer-sgs-2-33a) (registry code 8051606)
- Data sheets: [TCDS G2EA](https://openairdocs.org/tcds/G2EA) (OpenAirDocs)
- Serial number: 240
- Type of aircraft: Glider
- Certificate issued: January 7, 1992
- Last registry action: January 9, 1992
- Mode S code: A13A4B
- Owner when cancelled: [Triple Cities Soaring Society](https://openairdocs.org/faa-owner/TRIPLE%20CITIES%20SOARING%20SOCIETY)
- Location: [Endicott, NY](https://openairdocs.org/faa-place/NY/Endicott)
- Owner type: Corporation
- Owner's area on the map: 42.1333° N, 76.0846° W: Placed by OpenAirDocs at the center of ZIP code 13760, within about 4 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N17870
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=17870
- Page: https://openairdocs.org/deregistered/N17870-1994-06-27

From the FAA registry file of October 31, 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 (3)

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 BFO93LA095](https://openairdocs.org/ntsb/BFO93LA095), May 21, 1993: Schweizer SGS-233A (N17870), Johnson City, NY, substantial damage. Probable cause: IMPROPER PLANNING/DECISION BY THE FLIGHT CREW. FACTORS RELATED TO THE ACCIDENT WERE: THE DOWNDRAFT ON FINAL APPROACH, THE TERRAIN CONDITIONS (CLIFF & OBSTRUCTIONS) NEAR THE APPROACH END OF THE…
- [NTSB NYC79FFJ29](https://openairdocs.org/ntsb/NYC79FFJ29), Sep 15, 1979: Schweizer 2-33A (N17870), Ithaca, NY, substantial damage
- [NTSB NYC76DFJ33](https://openairdocs.org/ntsb/NYC76DFJ33), Sep 6, 1976: Schweizer SGS233 (N17870), Ithaca, NY, no damage

## FAA accident and incident reports (3)

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 19930521015189A](https://openairdocs.org/incident/19930521015189A), May 21, 1993: Scwzer SGS233A (N17870), Binghamton, NY, Substantial damage. High sink rate on final after tow release. Unable runway. Banked to miss trees. Wing hit ground glider, cartwheeled.
- [Accident 19790915026169A](https://openairdocs.org/incident/19790915026169A), Sep 15, 1979: Scwzer SGS233A (N17870), Mecklenburg, NY, Substantial damage. Glider pilot released tow on takeoff and attempted emergency landing. Crashed intall grass on unsuitable terrain.
- [Accident 19760906029479A](https://openairdocs.org/incident/19760906029479A), Sep 6, 1976: Scwzer SGS233A (N17870), Ithaca, NY. Acft encountered wind shear turbulence. Wind gusting to 18KTS. No damage to glider.

---
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.