STC SA477WE

Number SA477WE

This certificate issued to: Brittain Industries, Inc.

3266 N. Sheridan Road Tulsa, OK 74115

Part 3 of the Civil Air Regulations.

Original Product – Type Certificate Number: 3A15

Make: Beech Model: 35 Series and 35-33 Series (See Limitations and Conditions)

Installation of Brittain/Beechcraft Model B-4 Flight Control System including Basic Brittain/Beechcraft Autopilot, PC-1 Pitch Assist, AH-1 Altitude Hold, and NAV-1 Navigation Coupler in accordance with Brittain Industries, Inc. Installation Manual 11905-09, 9B. Beech Aircraft Corporation FAA Approved Airplane Flight Manual Supplement listed on Sealed Master Drawing List #C-31 required with this installation.

Applicable eligible aircraft models and FAA Approved Airplane Flight Manual Supplement listed on sealed Master Drawing List #C-31 or later FAA approved revision.

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: September 24, 1963 Date reissued: October 28, 2013 9/18/63; 1/8/64; 12/10/64; 11/10/69; 11/2/72 Revision 5 Date of issuance: July 11, 1963 Date amended:

Signature S. Frances Cox

Title Manager, Special Certification Office, Southwest Region

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

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