# STC SA1982SO

- Type: Supplemental type certificate
- Status: Current, Amended
- Holder: Appalachian Accessories, United States
- Description: Installation of Appalachian stainless steel brake discs P/N 75-40.
- Status date: January 14, 1987
- Product: Aircraft, Single-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A18EA](https://openairdocs.org/tcds/A18EA)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/0F1C2F3E3CF2D5E685256CC10083D3B4.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA1982SO

## ADs that name it (0)

None.

## Approved models (3)

- Chaparral Motors Inc. 2T-1A ([TCDS A18EA](https://openairdocs.org/tcds/A18EA))
- Chaparral Motors Inc. 2T-1A-1 ([TCDS A18EA](https://openairdocs.org/tcds/A18EA))
- Chaparral Motors Inc. 2T-1A-2 ([TCDS A18EA](https://openairdocs.org/tcds/A18EA))

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From OpenAirDocs.org, an independent open copy of FAA and NTSB data. Only the Federal Register edition on govinfo.gov is the official legal text of an AD.