STC SR02597SE

Un ited S tates of Am erica Department of Transportation - Federal Aviation Administration Supplemental Type Certificate

Number SR02597SE

This certificate, issued to Timberline Aerospace, LLC 1926 Industrial Drive Sandpoint, ID 83864

Part * of the * Regulations.

Original ProductType Certificate Number: * See attached Federal Aviation Administration (FAA) Make: Approved Model List (AML) SR02597SE for approved Model: aircraft models and applicable airworthiness regulations

Description of the Type Design Change: Installation of Purge Fuel Collector System in accordance with Installation Instructions Document No. THI-UH60-PFC-II as listed on the AML. Maintained in accordance with the Instructions for Continued Airworthiness (ICA) Report No. THI-PFC-UH60A-ICA-1, Revision IR, dated January 18, 2018.

Limitations and Conditions: Approval of this change in type design applies to the rotorcraft listed on AML SR02597SE only. This approval should not be extended to other rotorcraft of these models on which other previously approved modifications are incorporated unless it is determined by the installer that the relationship between this change and other previously approved modifications will introduce no adverse effect upon the airworthiness of that rotorcraft. A copy of this certificate, AML SR02597SE, and Instructions for Continued Airworthiness, must be maintained as part of the permanent records for the modified aircraft.

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

Date of application: February 20, 2018 Date reissued: August 10, 2018 Date of issuance: May 3, 2018 Date amended:

(Signature)

Manager, Seattle ACO Branch (Title)