STC SA321WE

Number SA321WE

This certificate issued to: Brittain Industries, Inc.

3266 N. Sheridan Road Tulsa, OK 74115

Part 3of the Civil Air Regulations.

Original Product – Type Certificate Number: 3A15

Make: Beech Model: 35 Series - See Limitations and Conditions

Installation of Beech Pneumatic Pitch Assist Model PC-1 in accordance with Brittain Industries, Inc., Installation Manual 11905-3A and Altitude Hold Model AH-1 (Optional Installation ) in accordance with Brittain Industries, Inc. Installation Manual 11905-5.

Brittain Autopilot per STC SA4-716 or Tactair Model B101 Autopilot (Brittain Industries, Inc. Installation Manual 11905-3-TI is required.

Brittain Industries, Inc., FAA Approved Airplane Flight Manual Supplement listed on sealed Master Drawing List DP-20A or later FAA approved revision is required with this installation.

Applicable eligible aircraft models and FAA Approved Airplane Flight Manual Supplement listed on sealed Master Drawing List DP-20A 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: March 10, 1963 Date reissued: November 19, 2013;

4/29/64; 11/10/69; 11/2/72 Revision 3 Date of issuance: March 15, 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