# STC SA4-118

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: American Navion Society, United States
- Description: Hartzell HC-12X20-7C/8433-0 propeller including governor kit.
- Status date: March 11, 2004
- Product: Aircraft, Single-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A-782](https://openairdocs.org/tcds/A-782)
- Certificate PDF: https://openairdocs.org/files/sha256/84/f8/84f8871f1c0b2a6969486029e6fc0b8f6237e3311231c4b3eb88a76c079ac35b
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/11A61E6D0B80EC4086256F35004C7B36.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA4-118

## ADs that name it (0)

None.

## Approved models (8)

- Navion Aircraft Company Ltd. Navion (Army L-17A) ([TCDS A-782](https://openairdocs.org/tcds/A-782))
- Navion Aircraft Company Ltd. Navion A (Army L-17B and 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))
- Navion Aircraft Company Ltd. Navion G ([TCDS A-782](https://openairdocs.org/tcds/A-782))
- Navion Aircraft Company Ltd. Navion H ([TCDS A-782](https://openairdocs.org/tcds/A-782))

## 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.

United States Of America Department of Transportation - Federal Aviation Administration Supplemental Type Certificate This certificate reissued to replace certificate reported lost

Number SA4-118

This Certificate issued to AMERICAN NAVION SOCIETY PMB 335, 16420 SE McGillivray, Suite 103 Vancouver, Washington 98683-3461 Part CAR of the Civil Air Regulations.

A-782 NAVION Continental E-225-4 engines Description of Type Design Change: Installation of Hartzell propeller hub HC-12X20-7C with blade models 8433-0. Include Hartzell propeller governor kit in accordance with Hartzell drawings and instructions on Continental E-225-4 engine.

Limitations and Conditions: Hartzell Drawing No. 1 dated October 25, 1950, and Hartzell Drawing No. B-145 are on file in Region 4 headquarters.

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.

Date of application : October 8, 1956

Date of issuance : October 12, 1956

Date reissued : March 11, 2004

( Signature)

Manager, Technical & Administrative Support Staff, Los Angeles Aircraft Certification Office ( Title)

## Every issue (1)

- March 11, 2004: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/84/f8/84f8871f1c0b2a6969486029e6fc0b8f6237e3311231c4b3eb88a76c079ac35b)

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