# N7787S: Schweizer SGS 2-33A, registration cancelled 1975-12-15

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: December 15, 1975
- 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: 157
- Type of aircraft: Glider
- Certificate issued: March 26, 1975
- Mode S code: AA8A1D
- Owner when cancelled: [Indrebo E J](https://openairdocs.org/faa-owner/INDREBO%20E%20J)
- Location: [Calistoga, CA](https://openairdocs.org/faa-place/CA/Calistoga)
- Owner type: Individual
- The mark today: https://openairdocs.org/aircraft/N7787S
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=7787S
- Page: https://openairdocs.org/deregistered/N7787S-1975-12-15

From the FAA registry file of November 5, 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 OAK76AP013](https://openairdocs.org/ntsb/OAK76AP013), Oct 6, 1975: Schweizer SGS233 (N7787S), Calistoga, CA, destroyed, 1 fatal

## 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 19751006035299A](https://openairdocs.org/incident/19751006035299A), Oct 6, 1975: Scwzer SGS233A (N7787S), Calistoga, CA, Destroyed. Tape recording left by plt as evidence. Dove into canyon wall.

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