STC SA489SW

FEDERAL AVIATION AGENCY

SUPPLEMENTAL TYPE CERTIFICATE Form Approved, Budget Bureau No. 04-R015 INSTRUCTIONS - Submit in triplicate to local FAA Flight Standards Inspector. Copy will be returned to applicant upon issuance.

1. NAME AND ADDRESS OF APPLICANT Mitchell Industries, Inc.

Municipal Airport P. O. Box 610 Mineral Wells, Texas 76067

2. SUPPLEMENTAL TYPE CERTIFICATE APPLIED FOR:

AlRCRAFT ENGINE PROPELLER

ORIGINAL MODEL DESIGNATION Cessna 182H___ NEW MODEL DESIGNATION (If desired) None

3. DESCRIPTION OF CHANGE Installation of Mitchell Automatic Pilot Model AK154 in accordance with Mitchell Industries, Inc. Bulletin No. 268 dated March 3, 1965 and subsequent F. A. A.

approved Bulletins and/or supplements. Installation of Mitchell Automatic Pilot Model AK154E in accordance with Mitchell Industries, Inc. Bulletin No. 269 dated 3-25-65. Installation of Mitchell Automatic Pilot Model AK154E-3 in accordance with Mitchell Industries, Inc. Bulletin No. 270 dated 3-25-65.

Installation of Mitchell Lateral Guidance Radio Coupler Model AK123 per Bulletin No. 206 dated June 10, 1964.

Note: Mitchell Industries, Inc. F. A. A. approved placard 13A235-154 required.

HILL DATA BE AVAILABLE FOR SALE OR RELEASE TO OTHER PERSONS? QLJ YES

b. WILL PARTS BE MANUFACTURED FOR SALE (Kef. CAR 1.55)1 E YES d] NO

5. SIGNATURE AND TITLE OF APPLICANT Rev. 3-25-65 3-3-65

DATE OF APPLICATION

SIGNATURE Vice President TITLE

6. To be completed by FAA

NATURE AND LOCATION OF DATA Data listed in Item 3 above, and Flight test Report dated 3/8/65 on file at SW-210.

Applicable regulations are the sane as original certification.

Reference Project: None ORIGINAL TYPE CERTIFICATE NO.

3A13 SUPPLEMENTAL TYPE CERTIFICATE NO.

A89SW DATE OF APPROVAL 3/8/65 Revised: 4/20/65

FAA APPROVAL

SIGNATURE H. H. Slaughter ihief, Engineering and Manufacturing Branch Tl TLE 3540 Form FAA-2417 (5-59)