# N6SZ: 1977 Szybowcowy Zaklad Doswiadczaln SZD-36-A, registration cancelled 2017-06-21

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: June 21, 2017
- Status when cancelled: Registration expired, pending cancellation
- Airframe: [Szybowcowy Zaklad Doswiadczaln SZD-36-A](https://openairdocs.org/model/szybowcowy-zaklad-doswiadczaln-szd-36-a) (registry code 8821636)
- Engine: [NONE](https://openairdocs.org/engine/none) (registry code 00000)
- Serial number: W813
- Year built: 1977
- Type of aircraft: Glider
- Engine type: None
- Airworthiness: Experimental, exhibition, racing
- Airworthiness date: February 25, 1999
- Certificate issued: August 11, 2007
- Last registry action: August 11, 2007
- Mode S code: A7C435
- Owner when cancelled: [Miller Brenda L Administrator](https://openairdocs.org/faa-owner/MILLER%20BRENDA%20L%20ADMINISTRATOR)
- Location: [Birmingham, AL](https://openairdocs.org/faa-place/AL/Birmingham)
- Owner type: Individual
- Owner's area on the map: 33.4951° N, 86.8082° W: Placed by OpenAirDocs at the center of ZIP code 35205, within about a mile (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N6SZ
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=6SZ
- Page: https://openairdocs.org/deregistered/N6SZ-2017-06-21

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 Szybowcowy Zaklad Doswiadczaln SZD-36-A: https://openairdocs.org/model/szybowcowy-zaklad-doswiadczaln-szd-36-a.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 ATL07LA066](https://openairdocs.org/ntsb/ATL07LA066), Mar 31, 2007: Szybowcowy Zaklad Do SZD-36A (N6SZ), Sylacauga, AL, substantial damage, 1 fatal. Probable cause: The pilot's improper installation of the left wing attachment pin, which allowed it to disengage during cruise flight, resulting in wing separation.

## 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 20070331012949A](https://openairdocs.org/incident/20070331012949A), Mar 31, 2007: Szd SZD36A (N6SZ), Sylacauga, AL, Destroyed, 1 fatal. (-23) Both wings separated from the aircraft during a personal/proficiency flight in an unpowered glider at the Sylacauga, Alabama airport (scd). Subsequently,…

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