# N1241S: 1971 Schweizer SGS 2-33A, registration cancelled 2006-08-15

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: August 15, 2006
- Status when cancelled: Triennial form not returned
- 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: 223
- Year built: 1971
- Type of aircraft: Glider
- Engine type: None
- Airworthiness: Standard, glider
- Airworthiness date: September 3, 1971
- Certificate issued: June 9, 1988
- Last registry action: May 16, 2006
- Mode S code: A0651A
- Owner when cancelled: [Greater Boston Soaring Club Inc](https://openairdocs.org/faa-owner/GREATER%20BOSTON%20SOARING%20CLUB%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 was based
- The mark today: https://openairdocs.org/aircraft/N1241S
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=1241S
- Page: https://openairdocs.org/deregistered/N1241S-2006-08-15

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 IAD03LA046](https://openairdocs.org/ntsb/IAD03LA046), Apr 19, 2003: Schweizer SGS 2-33A (N1241S), Sterling, MA, substantial damage. Probable cause: The student pilot's misjudgment of his traffic pattern altitudes, which resulted in a premature descent into a tree.
- [NTSB NYC74DHA07](https://openairdocs.org/ntsb/NYC74DHA07), Aug 24, 1973: Schweizer SGS233 (N1241S), Erwinna, PA, substantial damage
- [NTSB NYC73DHA02](https://openairdocs.org/ntsb/NYC73DHA02), Jul 15, 1972: Schweizer 233A (N1241S), Erwinna, PA, substantial damage

## FAA accident and incident reports (2)

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 20030419005539A](https://openairdocs.org/incident/20030419005539A), Apr 19, 2003: Scwzer SGS233A (N1241S), Sterling, MA, Substantial damage. (-23) Student pilot made right downwind to runway 16 at Sterling Airport at too low an altitude. Pilot turned right base leg cutting corner of normal traffic…
- [Accident 19730824023669A](https://openairdocs.org/incident/19730824023669A), Aug 24, 1973: Scwzer SGS233A (N1241S), Erwinna, PA, Substantial damage. Veered into parked SGS233,N1174S,substl dmg. Plt had .3 solo in type. Second solo flt.

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