STC SA7193SW-D

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number SA7193SW-D This certificate issued to: S-TEC Corporation Rt. 4, Bldg. 946 Wolters Industrial Complex Mineral wells, lexas /bub/ Certifies that the change in the type design for the following product with the limitations and conditions therefor as specified hereon meets the airvorthiness reguirements of Part 3 of the CiVil Air Regulations:

Original Product -TypeCertificate Number: 3A23 Make: Maule Model: M-5-235C, M-6-235 and MX-7-235 Description of Type Design Change:

Installation of S-TEC System 60 Single Axis Automatic Flight Guidance System, Model ST-411, according to Bulletin No. 511, dated 2-08-89 and Master Drawing List No. 92489, dated 2-08-89 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 89816S, dated 2-24-89 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: 2-13-89 Date Reissued:

Date of Issuance: 2-24-89 Date Amended:

EDERAL AVIATION By Direction of the Administrator (Signature ) SOMINISTRA DAS Staff Coordinator, DAS 5 SW Harold W. Holdeman (Title)

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 Z1P code) Exent of Authority (if licensing agreement) :

Signature of grantor (In ink :