# STC SA1776WE

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Brittain Industries, Inc, United States
- Description: Installation of Brittain Industries Model B-5 Flight Control System
- Applied: August 19, 1968
- Status date: June 21, 2013
- Product: Aircraft, Small Multi-Engine
- Certification basis: Part 21, Part 23
- Data sheets: [TCDS A7CE](https://openairdocs.org/tcds/A7CE)
- Certificate PDF: https://openairdocs.org/files/sha256/57/d4/57d4966b457899f54960b2f9e790d41e31a18c94a69341a0628c3a2dc1ad7925
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/F5815C59F97AB6D986257C160055434B.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA1776WE

## ADs that name it (0)

None.

## Approved models (1)

- The Cessna Aircraft Company 421 Series ([TCDS A7CE](https://openairdocs.org/tcds/A7CE))

## 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.

N umber SA1776WE This certificate issued to

Part 23* of the Federal Aviation R egulation s *FAR 23 effective February 1, 1965.

Original Product -- Type Certificate N umber :

Installation of Brittain Industries Model B-5 Flight Control System in accordance with Brittain Industries FAA Sealed Master Drawing List No. 3-586-12.

**Applicable eligible aircraft model(s) and applicable FAA Approved Airplane Flight Manual(s)/Supplement(s) required with this installation are listed on Brittain Industries FAA Sealed Master Drawing List No. 3-586-12.

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.

This cer tificate and the supporting data which is the basis for approval shall remain in effect until surrendered, suspended, revoked or a termination date is otherwise established by the A dministrator of the F ederal A viation A dministration.

Brittain Industries, Inc.

3266 N. Sheridan Road Tulsa, OK 74115 A7CE M ake : Cessna M odel : 421 Series** Date of application : August 19, 1968

Date of issuance : September 4, 1968

Date reissued : 11/10/69; 10/20/72;

6/21/13

B y direction of the A dministrator

(Signature) S. Frances Cox, Manager, Special Certification Office, Southwest Region

(Title)

FAA Form 8110-2-1(10-69) Page 2 of 2

## Every issue (1)

- June 21, 2013: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/57/d4/57d4966b457899f54960b2f9e790d41e31a18c94a69341a0628c3a2dc1ad7925)

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