STC SA5188SW-D

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number: SA51885W-D This certificate issued to: S-TEC Corporation Rt. 4, Bldg. 946 Wolters Industrial Complex Mineral Wells, TX 76067 Part 3 of the CIVIl Air Regulations.

Original Product - Type bertificate Numben: 3A17 Make: CESSNA Model: 172RG Description of Type Design Change:

Installation of S-TEC System 60 Pitch Stabilization System, Model ST-062 with Optional Automatic Electric Trim System according to Bulletin No. 165, Revision 1, dated 2-28-83 and Master Drawing List No. 9267, Revision A, dated 2-28-83 and/ or later FAA Approved revisions of the above data, (28 Volt System).

1. FAA Approved Supplement to Pilot's Operating Handbook and/or FAA Approved Airplane Flight Manual, P/N 8979-1, dated 8-1-83 is required and/or later FAA Approved revisions of the above supplement.

2. Compatability of this modification with other previously approved modifications must be determined by the installer.

Date of Application: 4-28-83 Date Reissued:

Date of Issuance: . 8-1-83 Date Amended:

FEDERAL AVIATION By Direction of the Administrator TOMINIST RATO DAS Staff Coordinator, DAS 5 SW laro d w. W. Holdemar (Tille)

47.

TRANSFER ENDORSEMENT Transfer the ownership of Supplemental Type Certificate Number to (Name of transferee).

(Address of transferee) - (Number and street) (City, State, and ZIP code) from (Name of grantor) (Print or type) - (Address of grantor) (Number and street) (City, State, and ZIP code) Extent of Authority (if licensing agreement):

Date of Transfer: - Signature of grantor (In ink):

U.S. GOVERNMENT PRINTING OFFICE : 1966 OF- 205-579