STC SA02467AK

This certificate issued to Floats Alaska, LLC.

3830 Aircraft Dr.

Anchorage, AK 99502

Part 04a of the Civil Air Regulations.

Original Product – Type Certificate Number: 5A6 Make: Textron Aviation Inc.

Model: 180

Description of Type Design Change: Installation of a Continental IO-470-F engine in accordance with Floats Alaska, LLC. Descriptive Data List # IO470-180, dated January 19, 2016, or later FAA approved revision.

1. Descriptive data about this design change cannot be used to duplicate other products. This approval is limited to only the installation made on serial number 30753 of the aircraft model listed above.

2. Compatibility of this modification with other FAA approved modifications, on this aircraft being altered, must be evaluated by the installer.

3. FAA Approved Airplane Flight Manual Supplement for Cessna 180 Equipped with Continental IO- 470-F Engine and McCauley D2A34C58A90-2 Propeller, Doc. No. 180-IO470F-SAFM-01, Rev. Orig., dated June 24, 2016, or later FAA approved revision, is a required part of this modification.

4. A copy of this Certificate must be maintained as part of the permanent record of the modified aircraft.

5. This Supplemental Type Certificate (STC) does not permit manufacturing of parts for multiple installations. No additional modifications of this type are to be approved solely by reference to this STC.

6. Instructions for Continued Airworthiness, Floats Alaska, LLC., Doc. No. 180-IO470-F-ICA, Rev. IR, dated January 19, 2016 or later FAA accepted revisions are a required part of this modification.

Date of application: August 23, 2013 Date reissued:

Date of issuance: June 24, 2016 Date amended:

(Signature) August A. Asay Manager, Anchorage Aircraft Certification Office

(Title)