# STC SA571EA

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Brittain Industries, Inc, United States
- Description: Installation of Brittain Industries Models B7, NAV-2B, B2C or BSA4 Flight Control System
- Applied: August 23, 1971
- Status date: November 19, 2013
- Product: Aircraft, Single-Engine
- Certification basis: Part 3, Part 21
- Data sheets: [TCDS 3A15](https://openairdocs.org/tcds/3A15)
- Certificate PDF: https://openairdocs.org/files/sha256/21/27/2127865d08fdea95f7985e97efc5496578bc2f1a710eb6f212c6d228738adfe7
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/101ECD8F6F17CCBA86257DCB007165D1.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA571EA

## ADs that name it (0)

None.

## Approved models (1)

- Beechcraft Corporation G33 ([TCDS 3A15](https://openairdocs.org/tcds/3A15))

## 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.

Number SA571EA

This certificate issued to: Brittain Industries, Inc.

3266 N. Sheridan Road Tulsa, Oklahoma 74115

Part 3of the Civil Air Regulations.

Original Product – Type Certificate Number: 3A15

Make: Beech Model: G33 Description of Type Design Change:

Installation of Brittain Industries Models B7, NAV-2B, B2C or BSA4 Flight Control System in accordance with the data listed in FAA identified Brittain Industries Installation Master Drawing List No. 24-335-53 issued 13 August 1971, Revision A dated 22 March 1972 or later FAA approved revision.

Date of application: August 23, 1971 Date reissued: October 20, 1972; November 19, 2013 Date of issuance: August 26, 1971 Date amended: April 14, 1972

Signature S. Frances Cox

Title Manager, Special Certification Office, Southwest Region

FAA Form 8110-2 (8/13) Page 1

Number: SA571EA Date of Issuance: August 26, 1971 Reissuance Date: November 19, 2013

1. The following applicable Brittain Industries Airplane Flight Manual Supplement is required:

a. B7; Document No. 7-335-53 dated 26 August 1971, Revision A dated 4/14/72.

b. NAV-2B; Document No. 7-335-28 dated 26 August 1971, Revision A dated 4/14/72.

c. B2C; Document No. 7-335-14 dated 26 August 1971

d. BSA4; Document No. 7-335-15 dated 26 August 1971.

2. 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.

-END-

FAA Form 8110-2 (8/13) Page 3

**SUPPLEMENTAL TYPE CERTIFICATE, FAA FORM 8110-2 (CONTINUED)**

To (Name of transferee)

(Address of transferee)

(Number and street)

(City, State, and ZIP Code)

From (Name of grantor)

(Address of grantor)

(Number and street)

(City, State, and ZIP Code)

FAA Form 8110-2 (8/13) Page 2

## Every issue (1)

- November 19, 2013: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/21/27/2127865d08fdea95f7985e97efc5496578bc2f1a710eb6f212c6d228738adfe7)

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