# STC SA2278SO

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Aviation Products, Inc, United States
- Description: Replacement of Gerdes brake discs, P/N A-1634-B, with Appalachian Accessories' stainless steel brake discs, P/N 75-86.
- Status date: February 6, 1995
- Product: Aircraft, Single-Engine
- Certification basis: Part 21
- Data sheets: [TCDS 1A13](https://openairdocs.org/tcds/1A13)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/0EB275B55B1BCFB385256CC200015BFB.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA2278SO

## ADs that name it (0)

None.

## Approved models (2)

- REVO Incorporated Lake LA-4 Series ([TCDS 1A13](https://openairdocs.org/tcds/1A13))
- REVO Incorporated Lake LA-4-200 ([TCDS 1A13](https://openairdocs.org/tcds/1A13))

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