STC SA04123CH

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number: SA04123CH This certificate issued to: McFarlane Aviation LLC 696 East 1700 Road Baldwin City, KS, 66006 Part 3 of the Civil Air Regulations.

Original Product Make: Aviat Aircraft Inc.

Type Certificate Number: A8SO Model: S-2S, S-2B, S-2C Description of Type Design Change:

Installation of an MT-Propeller MTV-9-B-C/C200-25 or MTV-14-B-C/C190-130 and spinner assembly in accordance with Flight Resource LLC Installation Instructions dated March 9, 2016 Limitations and Conditions:

1. Compatibility of this design change with previously approved modifications must be determined by the installer.

2. The aircraft is to be operated in accordance with the Airplane Flight Manual Supplement AFMS-I, Rev. I

3. Aircraft Specification limits are the same as listed on the Type Certification Data Sheet.

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

Boffo III Manager, Propulsion & Program Management Section Chicago ACO Branch Compliance & Airworthiness Division Possession on this Supplemental Type Certificate (STC) document by persons other than the STC holder does not constitute rights to the design data nor to alter an aircraft, aircraft engine, or propeller. AnSTC holder who allows a person to alter an aircraft, aircraft engine, or propeller must provide that person with written permission acceptable to the FAA. (Ref. 14 CFR 21.120).

FAA Form 8110-2 (6/20) SUPERSEDES PREVIOUS EDITION Page 1 of 2