# STC SA1688WE

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Brittain Industries, Inc, United States
- Description: Installation of Brittain Industries Model B-4A flight control system.
- Applied: December 11, 1967
- Status date: April 3, 2013
- Product: Aircraft, Small Airplane
- Certification basis: Part 21, Part 23
- Data sheets: [TCDS A9WE](https://openairdocs.org/tcds/A9WE)
- Certificate PDF: https://openairdocs.org/files/sha256/fc/3e/fc3e73e99b7646bfc38e8b2ab510aeebc204e70a761a79d16f95c027d3c73fb6
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/0360855B2C30510786257C1600693028.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA1688WE

## ADs that name it (0)

None.

## Approved models (1)

- Emerald Enterprises Ltd. D-1 ([TCDS A9WE](https://openairdocs.org/tcds/A9WE))

## 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 SA1688WE This certificate issued to

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

Original Product -- Type Certificate N umber :

Installation of Brittain Industries Model B-4A Flight Control System in accordance with Brittain Industries FAA Sealed Master Drawing List No. 3-026-09.

**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. 3-026-09.

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.

Brittain Industries, Inc.

3266 N. Sheridan Road Tulsa, OK 74115 A9WE M ake : Wing Aircraft Co.

M odel : D-1 Series** Date of application : December 11, 1967

Date of issuance : August 7, 1968

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

4/3/13

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)

- April 3, 2013: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/fc/3e/fc3e73e99b7646bfc38e8b2ab510aeebc204e70a761a79d16f95c027d3c73fb6)

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