# STC SA4-548

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Brittain Industries, Inc, United States
- Description: Installed Brittain Industries, Inc., B2D Flight Control System
- Applied: July 17, 1958
- Status date: October 31, 2016
- Product: Aircraft, Small Airplane
- Certification basis: Part 3, Part 21
- Data sheets: [TCDS 3A13](https://openairdocs.org/tcds/3A13)
- Certificate PDF: https://openairdocs.org/files/sha256/04/6a/046ad77f4f0b150ecf6bcd4608b8579a2121d928e0af1a73110ae6154e8e221f
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/D280561A3E0BB763862580B50064F86C.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA4-548

## ADs that name it (0)

None.

## Approved models (5)

- Cessna Aircraft Company 182 ([TCDS 3A13](https://openairdocs.org/tcds/3A13))
- Cessna Aircraft Company 182A ([TCDS 3A13](https://openairdocs.org/tcds/3A13))
- Cessna Aircraft Company 182B ([TCDS 3A13](https://openairdocs.org/tcds/3A13))
- Cessna Aircraft Company 182C ([TCDS 3A13](https://openairdocs.org/tcds/3A13))
- Cessna Aircraft Company 182D ([TCDS 3A13](https://openairdocs.org/tcds/3A13))

## 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: SA4-548

Part 3 of the Civil Air Regulations.

Original Product – Type Certificate Number: 3A13 Make: Textron Aviation, Inc.

Model: 182, 182A, 182B, 182C, 182D

Installed Brittain Industries, Inc., B2D Flight Control System in accordance with Brittain Industries, Inc. Installation Manual 11902 (Aileron only) and optional Brittain Industries, Inc. Nav-Coupler “Add-ON”, Model B1-300, B1-301, or B1-304 in accordance with Brittain Industries, Inc. Installation Manuals 11902-7 dated 10/1/63 or 11902-11, dated 10/1/63.

FAA Approved Brittain Airplane Flight Manual dated July 31, 1961 and Brittain Airplane Flight Manual 11457 dated October 7, 1963, or later FAA approved revision required with this installation..

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 a product, the holder must give the other person written evidence of that permission.

Date of Application: July 17, 1958 Date Reissued: November 19, 2013; October 31, 2016;

1/20/61; 7/31/61; 10/7/63; 11/10/69; 11/1/72 Revision 5 Date of Issuance: July 17, 1958 Date Amended:

Signature

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

3266 N. Sheridan Road Tulsa, OK 74115

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

Transfer the ownership of Supplemental Type Certificate Number: SA4-548

To (Name and address of transferee)

From (Name and address of grantor)

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate (Continuation Sheet) Number: ST10962SC

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

## Every issue (2)

- October 31, 2016: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/04/6a/046ad77f4f0b150ecf6bcd4608b8579a2121d928e0af1a73110ae6154e8e221f)
- November 19, 2013: Reissued, Historical. [certificate](https://openairdocs.org/files/sha256/9e/e6/9ee60cea52902ab44bb1166e5d6ac17677553c48a3e3490141f062c7dc329736)

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