STC SA517WE

Number SA517WE

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: 3A10

Make: Cessna Model: 310 Series (See Limitations and Conditions)

Installation of Brittain Industries, Inc. Model B-4 Flight Control System including PC-1 Pitch Assist, AH-1 Altitude Hold, and Nav-1 Navigation Coupler installed in accordance with Brittain Industries, Inc. Installation Manual 11921-9.

Brittain Industries, Inc. FAA Approved Airplane Flight Manual listed on sealed Master Drawing List #C-29 or later FAA approved revision is required with this installation. Applicable eligible aircraft models and FAA Approved Airplane Flight Manual are listed on sealed Master Drawing List #C-29 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 10/18/63; 4/15/64; 11/10/69; 11/2/72 Revision 4 Date of issuance: September 26, 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