# STC SA00557AT

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Aviation Products, Inc, United States
- Description: Installation of carbon steel brake discs.
- Status date: January 24, 1995
- Product: Aircraft, Single-Engine
- Certification basis: Part 21
- Data sheets: [TCDS 3A15](https://openairdocs.org/tcds/3A15), [TCDS 3A16](https://openairdocs.org/tcds/3A16), [TCDS 5A3](https://openairdocs.org/tcds/5A3), [TCDS A-777](https://openairdocs.org/tcds/A-777)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/3A5F1DD8B7C99EB185256CC1007DC990.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA00557AT

## ADs that name it (0)

None.

## Approved models (29)

- Raytheon Aircraft Company 35 ([TCDS A-777](https://openairdocs.org/tcds/A-777))
- Raytheon Aircraft Company 35R ([TCDS A-777](https://openairdocs.org/tcds/A-777))
- Raytheon Aircraft Company 45 (YT-34) ([TCDS 5A3](https://openairdocs.org/tcds/5A3))
- Raytheon Aircraft Company 95-55 ([TCDS 3A16](https://openairdocs.org/tcds/3A16))
- Raytheon Aircraft Company 95-B55 ([TCDS 3A16](https://openairdocs.org/tcds/3A16))
- Raytheon Aircraft Company 95-B55A ([TCDS 3A16](https://openairdocs.org/tcds/3A16))
- Raytheon Aircraft Company 95-B55B (T-42A) ([TCDS 3A16](https://openairdocs.org/tcds/3A16))
- Raytheon Aircraft Company 95-C55 ([TCDS 3A16](https://openairdocs.org/tcds/3A16))
- Raytheon Aircraft Company 95-C55A ([TCDS 3A16](https://openairdocs.org/tcds/3A16))
- Raytheon Aircraft Company A35 ([TCDS A-777](https://openairdocs.org/tcds/A-777))
- Raytheon Aircraft Company A45 (B-45) ([TCDS 5A3](https://openairdocs.org/tcds/5A3))
- Raytheon Aircraft Company A45 (T-34A) ([TCDS 5A3](https://openairdocs.org/tcds/5A3))
- Raytheon Aircraft Company B35 ([TCDS A-777](https://openairdocs.org/tcds/A-777))
- Raytheon Aircraft Company B95 ([TCDS 3A16](https://openairdocs.org/tcds/3A16))
- Raytheon Aircraft Company B95A ([TCDS 3A16](https://openairdocs.org/tcds/3A16))
- Raytheon Aircraft Company C35 ([TCDS A-777](https://openairdocs.org/tcds/A-777))
- Raytheon Aircraft Company D35 ([TCDS A-777](https://openairdocs.org/tcds/A-777))
- Raytheon Aircraft Company D45 (T34B) ([TCDS 5A3](https://openairdocs.org/tcds/5A3))
- Raytheon Aircraft Company D95A ([TCDS 3A16](https://openairdocs.org/tcds/3A16))
- Raytheon Aircraft Company E35 ([TCDS A-777](https://openairdocs.org/tcds/A-777))
- Raytheon Aircraft Company E95 ([TCDS 3A16](https://openairdocs.org/tcds/3A16))
- Raytheon Aircraft Company F35 ([TCDS A-777](https://openairdocs.org/tcds/A-777))
- Raytheon Aircraft Company G35 ([TCDS A-777](https://openairdocs.org/tcds/A-777))
- Raytheon Aircraft Company H35 ([TCDS 3A15](https://openairdocs.org/tcds/3A15))
- Raytheon Aircraft Company J35 ([TCDS 3A15](https://openairdocs.org/tcds/3A15))
- Raytheon Aircraft Company K35 ([TCDS 3A15](https://openairdocs.org/tcds/3A15))
- Raytheon Aircraft Company M35 ([TCDS 3A15](https://openairdocs.org/tcds/3A15))
- Raytheon Aircraft Company N35 ([TCDS 3A15](https://openairdocs.org/tcds/3A15))
- Raytheon Aircraft Company P35 ([TCDS 3A15](https://openairdocs.org/tcds/3A15))

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