STC SA09132AC-D

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number: SA09132AC-D This certificate issued to: S-TEC Corporation One S-TEC Way Mineral Wells Municipal Airport Mineral Wells, TX 76067-9236 Certifies that the change in the type design for the felting poduct with the limitations and conditions therefor as speciped heven meets the ancothines requiements of Last 3 of the Civil In Regulutions.

Original Product I ype Certifeate A unter: 3А12 Al utie : Cessna Model: 172M and 172N Description of Type Design Change:

Installation of S-TEC System 55/55X Two Axis Automatic Flight Guidance System, Model ST-612, according to Bulletin No. 712, Revision 2, dated 2-28-01 and Master Drawing List No. 92827, Revision B, dated 2-28-01 or later FAA Approved revisions of the above data (14 Volt System).

(See Continuation Sheet, Page 2, a part of this STC.)

If the holder agrees to permit another person to use this certificate to alter the product, the holder shall give the other person written evidence of that permission.

Date of Application: 11-29-95 I ate wissued:

Date of Issuance: 12-04-95 Date Amended: 2-28-01 By Direction of the Administrator FEDERAL AVIATION тім к (Signature) TOMINISTRATO Michael Keirnan DAS Staff Coordinator. DAS 5 SW (Title)

1. Also eligible on Models 172M and 172N When Modified by 180 H.P. Engine Conversion.

N FAA/DAS Approved Supplemental Flight Manual, P/N 891218, dated 12-04-95 is required for Cessna Model 172M And The Above Model When Modified By 180H.P. Engine Conversion or later FAA Approved revisions of the above supplement.

FAA/DAS Approved Pilot's Operating Handbook and/or Airplane Flight Manual Supplement, P/N 891219, dated 12-04-95 is required for Cessna Model 172N And The Above Model When Modified By 180 H.P. Engine Conversion or later FAA Approved revisions of the above supplement.

4. FAA/DAS Approved Supplemental Flight Manual, P/N 891218, Revision 1, dated 2-28-01 is required for Cessna model 172M and the above model when modified by 180 H.P. engine conversion for S-TEC System 55/55X or later FAA Approved revisions of the above supplement.

5. FAA/DAS Approved Pilot's Operating Handbook and/or Airplane Flight Manual Supplement, P/N 891219, Revision 1, dated 2-28-01 is required for Cessna model 172N and the above model when modified by 180 H.P. engine conversion for S-TEC System 55/55X or later FAA Approved revisions of the above supplement.

6. Compatibility of this modification with other previously approved modifications must be determined by the installer.

FAA Form 8110-2-1 (10-69) Page 2 of 2 This certificate may be transferred in accordance with FAR 21.49.