# STC SA2231SO

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Appalachian Accessories, United States
- Description: Replacement of Cleveland brake discs P/N 164-43 or 164-143 with Appalachian Accessories' stainless steel brake discs, P/N 75-43.
- Status date: January 21, 1988
- Product: Aircraft, Single-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A-766](https://openairdocs.org/tcds/A-766)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/3B18269731C355CA85256CC200015B63.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA2231SO

## ADs that name it (0)

None.

## Approved models (2)

- Swift Museum Foundation Inc. GC-1A ([TCDS A-766](https://openairdocs.org/tcds/A-766))
- Swift Museum Foundation Inc. GC-1B ([TCDS A-766](https://openairdocs.org/tcds/A-766))

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