# STC SA00194AT

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Aviation Products, Inc, United States
- Description: Installation of Appalachian Accessories carbon steel brake discs that have the melonite surface treatment, P/N AA-40.
- Status date: November 14, 1994
- Product: Aircraft, Single-Engine
- Certification basis: Part 21
- Data sheets: [TCDS 3A12](https://openairdocs.org/tcds/3A12), [TCDS 3A13](https://openairdocs.org/tcds/3A13), [TCDS 3A17](https://openairdocs.org/tcds/3A17), [TCDS 3A19](https://openairdocs.org/tcds/3A19), [TCDS A13CE](https://openairdocs.org/tcds/A13CE), [TCDS A20CE](https://openairdocs.org/tcds/A20CE), [TCDS A18EA](https://openairdocs.org/tcds/A18EA)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/C6870AB046CA933985256CC1007DC81A.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA00194AT

## ADs that name it (0)

None.

## Approved models (35)

- 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))
- The Cessna Aircraft Company 150 ([TCDS 3A19](https://openairdocs.org/tcds/3A19))
- The Cessna Aircraft Company 152 ([TCDS 3A19](https://openairdocs.org/tcds/3A19))
- The Cessna Aircraft Company 172 ([TCDS 3A12](https://openairdocs.org/tcds/3A12))
- The Cessna Aircraft Company 177 ([TCDS A13CE](https://openairdocs.org/tcds/A13CE))
- The Cessna Aircraft Company 177RG ([TCDS A20CE](https://openairdocs.org/tcds/A20CE))
- The Cessna Aircraft Company 182 ([TCDS 3A13](https://openairdocs.org/tcds/3A13))
- The Cessna Aircraft Company 182A ([TCDS 3A13](https://openairdocs.org/tcds/3A13))
- The Cessna Aircraft Company 182B ([TCDS 3A13](https://openairdocs.org/tcds/3A13))
- The Cessna Aircraft Company 182C ([TCDS 3A13](https://openairdocs.org/tcds/3A13))
- The Cessna Aircraft Company 182D ([TCDS 3A13](https://openairdocs.org/tcds/3A13))
- The Cessna Aircraft Company 182E ([TCDS 3A13](https://openairdocs.org/tcds/3A13))
- The Cessna Aircraft Company 182F ([TCDS 3A13](https://openairdocs.org/tcds/3A13))
- The Cessna Aircraft Company 182G ([TCDS 3A13](https://openairdocs.org/tcds/3A13))
- The Cessna Aircraft Company 182H ([TCDS 3A13](https://openairdocs.org/tcds/3A13))
- The Cessna Aircraft Company 182J ([TCDS 3A13](https://openairdocs.org/tcds/3A13))
- The Cessna Aircraft Company 182K ([TCDS 3A13](https://openairdocs.org/tcds/3A13))
- The Cessna Aircraft Company 182L ([TCDS 3A13](https://openairdocs.org/tcds/3A13))
- The Cessna Aircraft Company 182M ([TCDS 3A13](https://openairdocs.org/tcds/3A13))
- The Cessna Aircraft Company 182N ([TCDS 3A13](https://openairdocs.org/tcds/3A13))
- The Cessna Aircraft Company 182P ([TCDS 3A13](https://openairdocs.org/tcds/3A13))
- The Cessna Aircraft Company 182Q ([TCDS 3A13](https://openairdocs.org/tcds/3A13))
- The Cessna Aircraft Company A150L ([TCDS 3A19](https://openairdocs.org/tcds/3A19))
- The Cessna Aircraft Company A152 ([TCDS 3A19](https://openairdocs.org/tcds/3A19))
- The Cessna Aircraft Company R172E (USAF T-41B) ([TCDS 3A17](https://openairdocs.org/tcds/3A17))
- The Cessna Aircraft Company R172E (USAF T-41C) ([TCDS 3A17](https://openairdocs.org/tcds/3A17))
- The Cessna Aircraft Company R172E (USAF T-41D) ([TCDS 3A17](https://openairdocs.org/tcds/3A17))
- The Cessna Aircraft Company R172F (USAF T-41D) ([TCDS 3A17](https://openairdocs.org/tcds/3A17))
- The Cessna Aircraft Company R172G (USAF T-41C) ([TCDS 3A17](https://openairdocs.org/tcds/3A17))
- The Cessna Aircraft Company R172G (USAF T-41D) ([TCDS 3A17](https://openairdocs.org/tcds/3A17))
- The Cessna Aircraft Company R172H (USAF T-41D) ([TCDS 3A17](https://openairdocs.org/tcds/3A17))
- The Cessna Aircraft Company R172J ([TCDS 3A17](https://openairdocs.org/tcds/3A17))
- The Cessna Aircraft Company R172K ([TCDS 3A17](https://openairdocs.org/tcds/3A17))

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.