# STC SA04196CH

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: EAA Aviation Foundation, United States
- Description: Installation of structural provisions for a TruTrak Vizion autopilot
- Applied: December 14, 2016
- Status date: March 29, 2017
- Product: Aircraft, Small Airplane
- Certification basis: Part 21
- Data sheets: [TCDS 3A12](https://openairdocs.org/tcds/3A12)
- Certificate PDF: https://openairdocs.org/files/sha256/3d/88/3d88cf72a1b7b8dd26a9323db12448da1160486c6c331e5d7c45c18fc586ac96
- Approved model list and other attachments: [SA04196CH_AML.pdf](https://openairdocs.org/files/sha256/c4/28/c428815b12d18b15a2c12ac74e614af7e56606d9a020c8a38996d3cc99094824)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/589AE52F24B894D9862581090051247D.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA04196CH

## ADs that name it (0)

None.

## Approved models (17)

- Textron Aviation Inc. 172 ([TCDS 3A12](https://openairdocs.org/tcds/3A12))
- Textron Aviation Inc. 172A ([TCDS 3A12](https://openairdocs.org/tcds/3A12))
- Textron Aviation Inc. 172B ([TCDS 3A12](https://openairdocs.org/tcds/3A12))
- Textron Aviation Inc. 172C ([TCDS 3A12](https://openairdocs.org/tcds/3A12))
- Textron Aviation Inc. 172D ([TCDS 3A12](https://openairdocs.org/tcds/3A12))
- Textron Aviation Inc. 172E ([TCDS 3A12](https://openairdocs.org/tcds/3A12))
- Textron Aviation Inc. 172F (USAF T-41A) ([TCDS 3A12](https://openairdocs.org/tcds/3A12))
- Textron Aviation Inc. 172G ([TCDS 3A12](https://openairdocs.org/tcds/3A12))
- Textron Aviation Inc. 172H (USAF T-41A) ([TCDS 3A12](https://openairdocs.org/tcds/3A12))
- Textron Aviation Inc. 172I ([TCDS 3A12](https://openairdocs.org/tcds/3A12))
- Textron Aviation Inc. 172K ([TCDS 3A12](https://openairdocs.org/tcds/3A12))
- Textron Aviation Inc. 172L ([TCDS 3A12](https://openairdocs.org/tcds/3A12))
- Textron Aviation Inc. 172M ([TCDS 3A12](https://openairdocs.org/tcds/3A12))
- Textron Aviation Inc. 172N ([TCDS 3A12](https://openairdocs.org/tcds/3A12))
- Textron Aviation Inc. 172P ([TCDS 3A12](https://openairdocs.org/tcds/3A12))
- Textron Aviation Inc. 172Q ([TCDS 3A12](https://openairdocs.org/tcds/3A12))
- Textron Aviation Inc. 172R ([TCDS 3A12](https://openairdocs.org/tcds/3A12))

## What the certificate says

Read from the PDF's text layer, without the form's printed wording; the layout is lost and the order can differ. The PDF is the record.

Installation of structural provisions for a TruTrak Vizion autopilot per installation instructions listed on FAA Approved Models List number SA04196CH.

1. This approval is authorization for installation of the autopilot provisions documented in the installation instructions refer enced on FAA Approved Models List SA04196CH. It does not grant approval for installation or activation of an operational autopilot system.

2. This alteration has been approved on a noninterference basis, therefore not been evaluated to check its proper operations for its intended function.

3. Compatibility of the design change with previously approved modifications must be determined by the installer.

4. If the holder agrees to permit another person to use this certificate to alter the product, the holder shall give the other person written evidence of that permission.

…End…

**EAA STC, LLC.**

3000 Poberezny Rd.

Oshkosh WI, 54903 * (see attached FAA Approved Model

List (AML) No. SA04196CH for list of Approved models and applicable airworthiness regulations)

Timothy P. Smyth (Signature) Manager Chicago Aircraft Certification Office

(Title)

December 14, 2016

March 29, 2017

(Continued):

### SA04196CH_AML.pdf

**FAA APPROVED MODEL LIST (AML) NO. SA04196CH EAA STC, LLC.**

FOR

**INSTALLATION OF STRUCTURAL PROVISONS FOR A TRUTRAK VIZION AUTOPILOT SYSTEM**

ISSUE DATE: March 29, 2017

**ITEM**

**AIRCRAFT**

**AIRCRAFT**

**ORIGINAL TYPE**

**CERTIFICATION BASIS**

**INSTALLATION**

**INSTRUCTIONS**

AFM

AML

**MAKE MODEL CERTIFICATE NUMBER FOR**

**ALTERATION**

**NUMBER**

**REVISION NO. & DATE**

**SUPPLEMENT**

**NUMBER/DATE**

**AMENDMENT DATE**

Page 1 of 1 1 Textron Aviation Inc.

172 172A 172B 172C 172E 172F (USAF T-41A) 172G 172H (USAF T-41A) 172I 172K 172L 172M 172N 172P 172Q 172R 3A12 As listed in TCDS 3A12

TruTrak Document Cessna 172 Autopilot Provisions Installation Guide

(147) Revision 0.1, or later FAA approved revision.

N/A March 29, 2017 2 Textron Aviation Inc.

177 177A 177B

A13CE As listed in TCDS A13CE

TruTrak Document Cessna 177 Autopilot Provisions Installation Guide

(157) Revision Init, or later FAA approved revision.

N/A March 29, 2017 3 Textron Aviation Inc.

177RG A20CE As listed in TCDS A20CE

TruTrak Document Cessna 177 Autopilot Provisions Installation Guide

(157) Revision Init, or later FAA approved revision.

N/A March 29, 2017

FAA APPROVED:

Timothy P. Smyth Manager Chicago Aircraft Certification Office Issued: March 29, 2017 (pages 1 of 1)

## Every issue (1)

- March 29, 2017: Issued, Current. [certificate](https://openairdocs.org/files/sha256/3d/88/3d88cf72a1b7b8dd26a9323db12448da1160486c6c331e5d7c45c18fc586ac96), [SA04196CH_AML.pdf](https://openairdocs.org/files/sha256/c4/28/c428815b12d18b15a2c12ac74e614af7e56606d9a020c8a38996d3cc99094824)

---
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.