# STC SA859SO

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Continental Motors, Inc., United States
- Description: Replacement of generator P/N1101877 installed in Franklin6A-150 and -165 engines with a modified Motorola RA12N550 alternator.
- Applied: July 3, 1975
- Status date: October 31, 2016
- Product: Aircraft, Single-Engine
- Certification basis: Part 3, Part 21
- Data sheets: [TCDS A-767](https://openairdocs.org/tcds/A-767)
- Certificate PDF: https://openairdocs.org/files/sha256/32/65/326530a303f8eced6eabc8764b7dfd528c5b282f82e91ae1b92267d133e78552
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/E1085BDCBCA12BAD862580B8007C18ED.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA859SO

## ADs that name it (0)

None.

## Approved models (4)

- Univair Aircraft Corporation 108 ([TCDS A-767](https://openairdocs.org/tcds/A-767))
- Univair Aircraft Corporation 108-1 ([TCDS A-767](https://openairdocs.org/tcds/A-767))
- Univair Aircraft Corporation 108-2 ([TCDS A-767](https://openairdocs.org/tcds/A-767))
- Univair Aircraft Corporation 108-3 ([TCDS A-767](https://openairdocs.org/tcds/A-767))

## 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.

FAA Form 8110-2 (5/14) Page 1 of 2

Number: SA859SO

Part 3 of the Civil Air Regulations.

Original Product – Type Certificate Number: A-767 Make: Univair Aircraft (Stinson) Model: 108, 108-1, 108-2 and 108-3 Description of Type Design Change:

Replacement of the generator P/N 1101877 installed in the Franklin 6A-150 and -165 engines with a modified Motorola RA12N550 alternator. When modified in accordance with the following modification and installation data, the alternator becomes an SCB-101: SCB-101 Assembly-Alternator Adapter for Franklin Engine 11-8-75; Modification instructions for Model SCB-101 Alternator, dated October 8, 1975; Installation drawing dated October 8, 1975;

Installation Instructions dated October 8, 1975.

The installer must determine whether this design change is compatible with previously approved modifications. If the holder agrees to permit another person to use this certificate to alter the product, the holder must give the other person written evidence of that permission.

Date of Application: July 3, 1975 Date Reissued: 6/12/03; 8/19/08; 7/20/15; 1/25/16; 10/31/16 Date of Issuance: October 20, 1975 Date Amended:

Signature

Title James A. Grigg Acting Manager, Fort Worth Aircraft Certification Office, Southwest Region Continental Motors Inc.

2039 S. Broad St.

Mobile, AL 36615

FAA Form 8110-2 (5/14) Page 2 of 2

Transfer the ownership of Supplemental Type Certificate Number: SA859SO

To (Name and address of transferee)

From (Name and address of grantor)

FAA Form 8110-2 (5/14) Page 3 of 3

## Every issue (3)

- October 31, 2016: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/32/65/326530a303f8eced6eabc8764b7dfd528c5b282f82e91ae1b92267d133e78552)
- August 19, 2008: Reissued, Historical. [certificate](https://openairdocs.org/files/sha256/b6/ef/b6eff60e549abe4550f0b109f27f863e193716c02e32aa1e1c02745bfad3f135)
- October 20, 1975: Issued, Historical. [certificate](https://openairdocs.org/files/sha256/4c/eb/4cebb807069421ff83d3f42b22cdca450ba0fd2f3bfbddecd4a810606a33b969)

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