STC SA7131SW-D

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number SA7131SW-D This certificate issued to: 14. S-TEC Corporation Rt. 4, Bldg. 946 Wolters Industrial Complex Mineral Wells, TX 76067 Part 23 of the Federal Air Hegulations Original Product - Type Gertificate Numben: AZ9CE Make: ВЕЕСН Model: 76 Description of Type Design Change:

Installation of S-TEC Yaw Damper System, Model ST-076, according to Bulletin No. 179, Revision 2, dated 11-24-86 and Master Drawing List No. 92109, Revision B, dated 11-24-86 and/or later FAA Approved revisions of the above data (14 Volt System).

1. FAA Approved Supplement to Pilot's Operating Handbook and/or FAA Approved Airplane Flight Manual, P/N 89124-1, dated 1-13-87 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: 1-05-87 Dole meissued:

Date of Issuance: . 1-13-87 Date Amended:

FEDERAL AVIATIO By Direction of the Administrator Terold N. Foldemon (Signature ) VOMINISTRALO DAS Staff Coordinator, DAS 5 SW Harold W. Holdeman (Title)

47.

FAA FORM 8110-2110-681

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) Exent of Authority (if licensing agreement) :

Signature of grantor (In ink) : .....