# STC SA00556AT

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Aviation Products, Inc, United States
- Description: Installation of Appalachian Accessories carbon steel brake discs, P/N AA-27A.
- Status date: January 24, 1995
- Product: Aircraft, Single-Engine
- Certification basis: Part 21
- Data sheets: [TCDS 1A8](https://openairdocs.org/tcds/1A8), [TCDS A6CE](https://openairdocs.org/tcds/A6CE), [TCDS A9CE](https://openairdocs.org/tcds/A9CE), [TCDS A-782](https://openairdocs.org/tcds/A-782)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/E44E54FCF23E4B1F85256CC1007DC98D.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA00556AT

## ADs that name it (0)

None.

## Approved models (18)

- Alliance Aircraft Group LLC H-295 (USAF U-10D) ([TCDS 1A8](https://openairdocs.org/tcds/1A8))
- Alliance Aircraft Group LLC H-391 (USAF YL-24) ([TCDS 1A8](https://openairdocs.org/tcds/1A8))
- Alliance Aircraft Group LLC H-395 (USAF L-28A or U-10B) ([TCDS 1A8](https://openairdocs.org/tcds/1A8))
- Navion Aircraft Company Ltd. Navion A (L-17B) ([TCDS A-782](https://openairdocs.org/tcds/A-782))
- Navion Aircraft Company Ltd. Navion A (L-17C) ([TCDS A-782](https://openairdocs.org/tcds/A-782))
- Navion Aircraft Company Ltd. Navion B ([TCDS A-782](https://openairdocs.org/tcds/A-782))
- Navion Aircraft Company Ltd. Navion D ([TCDS A-782](https://openairdocs.org/tcds/A-782))
- Navion Aircraft Company Ltd. Navion E ([TCDS A-782](https://openairdocs.org/tcds/A-782))
- Navion Aircraft Company Ltd. Navion F ([TCDS A-782](https://openairdocs.org/tcds/A-782))
- The Cessna Aircraft Company 188 ([TCDS A9CE](https://openairdocs.org/tcds/A9CE))
- The Cessna Aircraft Company 188A ([TCDS A9CE](https://openairdocs.org/tcds/A9CE))
- The Cessna Aircraft Company 188B ([TCDS A9CE](https://openairdocs.org/tcds/A9CE))
- The Cessna Aircraft Company 337 ([TCDS A6CE](https://openairdocs.org/tcds/A6CE))
- The Cessna Aircraft Company A188 ([TCDS A9CE](https://openairdocs.org/tcds/A9CE))
- The Cessna Aircraft Company A188A ([TCDS A9CE](https://openairdocs.org/tcds/A9CE))
- The Cessna Aircraft Company A188B ([TCDS A9CE](https://openairdocs.org/tcds/A9CE))
- The Cessna Aircraft Company T188C ([TCDS A9CE](https://openairdocs.org/tcds/A9CE))
- The Cessna Aircraft Company T337E ([TCDS A6CE](https://openairdocs.org/tcds/A6CE))

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