STC SA551WE

Number SA551WE

This certificate issued to: Brittain Industries, Inc.

3266 N. Sheridan Road Tulsa, OK 74115

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

Original Product – Type Certificate Number: 1A10

Make: Piper Model: PA-23 Series (See Limitations and Conditions)

Installation of Brittain Model B-4 Flight Control System in accordance with Brittain Installation Drawing No. 11118.

Applicable eligible aircraft model(s) and applicable FAA Approved Airplane Flight Manual(s)/Supplement(s) required with this installation are listed on Brittain Sealed Master Drawing List No. C-3 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: October 21, 1963 Date reissued: November 19, 2013;

2/20/64; 9/8/67; 11/10/69; 11/2/72 Revision 4 Date of issuance: November 8, 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