# STC SR02597SE

- Type: Supplemental type certificate
- Status: Current, Amended
- Holder: Timberline Aerospace LLC, United States
- Description: Installation of Purge Fuel Collector System
- Applied: February 20, 2018
- Status date: September 29, 2026
- Product: Aircraft, Rotorcraft
- Certification basis: Part 29, Part 21
- Data sheets: [TCDS R00005RC](https://openairdocs.org/tcds/R00005RC), [TCDS R0012DE](https://openairdocs.org/tcds/R0012DE), [TCDS R00021LA](https://openairdocs.org/tcds/R00021LA), [TCDS R00020AT](https://openairdocs.org/tcds/R00020AT), [TCDS R00026LA](https://openairdocs.org/tcds/R00026LA), [TCDS R00019AT](https://openairdocs.org/tcds/R00019AT), [TCDS R00028LA](https://openairdocs.org/tcds/R00028LA), [TCDS R00054SE](https://openairdocs.org/tcds/R00054SE), [TCDS R00058SE](https://openairdocs.org/tcds/R00058SE), [TCDS R00003AC](https://openairdocs.org/tcds/R00003AC), [TCDS R00020LA](https://openairdocs.org/tcds/R00020LA), [TCDS R00027LA](https://openairdocs.org/tcds/R00027LA), [TCDS R00025LA](https://openairdocs.org/tcds/R00025LA), [TCDS R00022LA](https://openairdocs.org/tcds/R00022LA), [TCDS R00052SE](https://openairdocs.org/tcds/R00052SE), [TCDS R00023LA](https://openairdocs.org/tcds/R00023LA), [TCDS H5NE](https://openairdocs.org/tcds/H5NE), [TCDS R00113SE](https://openairdocs.org/tcds/R00113SE), [TCDS R00035LA](https://openairdocs.org/tcds/R00035LA), [TCDS R00029LA](https://openairdocs.org/tcds/R00029LA)
- Certificate PDF: https://openairdocs.org/files/sha256/85/80/8580eec0fa61c3e5c2330ab6596f01900ef91334672cf5f9c98365b78081b403
- Approved model list and other attachments: [SR02597SE_AML.pdf](https://openairdocs.org/files/sha256/40/96/40961a4ec046ef769d8616fe5edc8246b6b26b3c95c9263a428db151786b8f06)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID183952550720261006135611.0001
- DRS record last changed: October 6, 2026
- Page: https://openairdocs.org/stc/SR02597SE

## ADs that name it (0)

None.

## Approved models (33)

- ACE Aeronautics LLC UH-60A ([TCDS R00005RC](https://openairdocs.org/tcds/R00005RC))
- BHI H60 Helicopters LLC BHI H60 (UH-60A) ([TCDS R0012DE](https://openairdocs.org/tcds/R0012DE))
- Billings Flying Service Inc UH-60A ([TCDS R00021LA](https://openairdocs.org/tcds/R00021LA))
- Blackhawk Mission Equipment UH-60A ([TCDS R0012DE](https://openairdocs.org/tcds/R0012DE))
- CAPITOL HELICOPTERS INC HH-60L ([TCDS R00026LA](https://openairdocs.org/tcds/R00026LA))
- CAPITOL HELICOPTERS INC UH-60A ([TCDS R00026LA](https://openairdocs.org/tcds/R00026LA))
- Carson Helicopters Inc. UH-60A ([TCDS R00020AT](https://openairdocs.org/tcds/R00020AT))
- Central Copters Inc. HH-60L ([TCDS R00029LA](https://openairdocs.org/tcds/R00029LA))
- Delta Enterprise EH-60A ([TCDS R00019AT](https://openairdocs.org/tcds/R00019AT))
- Delta Enterprise UH-60A ([TCDS R00019AT](https://openairdocs.org/tcds/R00019AT))
- Delta Enterprise LLC UH-60L ([TCDS R00019AT](https://openairdocs.org/tcds/R00019AT))
- H-60 LLC UH-60A ([TCDS R00113SE](https://openairdocs.org/tcds/R00113SE))
- H-60 LLC UH-60L ([TCDS R00113SE](https://openairdocs.org/tcds/R00113SE))
- Hallux Aerospace LLC UH-60A ([TCDS R00035LA](https://openairdocs.org/tcds/R00035LA))
- Hallux Aerospace LLC UH-60L ([TCDS R00035LA](https://openairdocs.org/tcds/R00035LA))
- Heliqwest International Inc. EH-60A ([TCDS R00028LA](https://openairdocs.org/tcds/R00028LA))
- Heliqwest International Inc. UH-60A ([TCDS R00028LA](https://openairdocs.org/tcds/R00028LA))
- High Performance Helicopters Corp. UH-60A ([TCDS R00054SE](https://openairdocs.org/tcds/R00054SE))
- Northwest Rotorcraft LLC UH-60A ([TCDS R00058SE](https://openairdocs.org/tcds/R00058SE))
- PJ Helicopters Inc UH-60A ([TCDS R00020LA](https://openairdocs.org/tcds/R00020LA))
- Pickering Aviation Inc. EH-60A ([TCDS R00003AC](https://openairdocs.org/tcds/R00003AC))
- Pickering Aviation Inc. UH-60A ([TCDS R00003AC](https://openairdocs.org/tcds/R00003AC))
- Pickering Aviation Inc. UH-60L ([TCDS R00003AC](https://openairdocs.org/tcds/R00003AC))
- Reeder Flying Service Inc. UH-60A ([TCDS R00027LA](https://openairdocs.org/tcds/R00027LA))
- SIXTYHAWK TC LLC EH-60A ([TCDS R00025LA](https://openairdocs.org/tcds/R00025LA))
- SIXTYHAWK TC LLC HH-60L ([TCDS R00025LA](https://openairdocs.org/tcds/R00025LA))
- SIXTYHAWK TC LLC UH-60A ([TCDS R00025LA](https://openairdocs.org/tcds/R00025LA))
- SKYDANCE BLACKHAWK OPERATIONS LLC UH-60A ([TCDS R00022LA](https://openairdocs.org/tcds/R00022LA))
- Sikorsky Aircraft Corporation S-70A ([TCDS H5NE](https://openairdocs.org/tcds/H5NE))
- Sikorsky Aircraft Corporation S-70M ([TCDS H5NE](https://openairdocs.org/tcds/H5NE))
- Timberline Helicopters Inc. UH-60A ([TCDS R00052SE](https://openairdocs.org/tcds/R00052SE))
- Timberline Helicopters Inc. UH-60L ([TCDS R00052SE](https://openairdocs.org/tcds/R00052SE))
- Unical Aviation Inc. UH-60A ([TCDS R00023LA](https://openairdocs.org/tcds/R00023LA))

## What the certificate says

Read from the PDF's text layer, without the form's printed wording; the layout is lost and the order can differ. The PDF is the record.

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)

### SR02597SE_AML.pdf

FEDERAL AVIATION ADMINISTRATION (FAA) APPROVED MODEL LIST (AML) SR02597SE FOR STC UH-60 Purge Fuel Collector ISSUE DATE: May 3, 2018

Page 1 of 2

**ITEM AIRCRAFT /**

**ROTORCRAFT MAKE**

**AIRCRAFT /**

**ROTORCRAFT MODEL**

**ORIGINAL**

**TC NUMBER**

**CERTIFICATION**

**BASIS FOR**

**ALTERATION**

**FAA APPROVED**

**AIRCRAFT /**

**ROTORCRAFT FLIGHT MANUAL**

**SUPPLEMENT**

**FAA APPROVED**

MASTER DRAWING LIST AML AMEND DATE Number Revision* Drawing Revision*

1. Ace Aeronautics LLC UH-60A UH-60L R00005RC 14 CFR Part 29 Amendment 29-1 N/A N/A THI-UH60A- PFC-001 C 7-16-2019 9/30/2025

2. Air Resources Helicopters, Inc.

UH-60A UH-60L R00116LA 14 CFR Part 29 Amendment 29-1 N/A N/A THI-UH60A- PFC-001 C 7-16-2019 9/29/2026

3. BHI Productions LLC UH60A UH-60L R00024AT 14 CFR Part 29 Amendment 29-1 N/A N/A THI-UH60A- PFC-001 C 7-16-2019 9/30/2025

4. Billings Flying Service UH-60A R00021LA 14 CFR Part 29 Amendment 29-17 N/A N/A THI-UH60A- PFC-001 C 7-16-2019 9/30/2025

5. Blackhawk Mission Equipment UH-60A R0012DE 14 CFR Part 29 Amendment 29-1 N/A N/A THI-UH60A- PFC-001 C 7-16-2019 9/29/2026

6. Capitol Helicopters, Inc.

UH-60A HH-60L R00026LA 14 CFR Part 29 Amendment 29-1 N/A N/A THI-UH60A- PFC-001 C 7-16-2019 9/30/2025

7. Carson Helicopters, Inc.

UH-60A R00020AT 14 CFR Part 29 Amendment 29-20 N/A N/A THI-UH60A- PFC-001 C 7-16-2019 9/30/2025

8. Central Helicopters, Inc.

HH-60L R00029LA 14 CFR Part 29 Amendment 29-1 N/A N/A THI-UH60A- PFC-001 C 7-16-2019 9/29/2026

9. Delta Enterprises LLC UH-60A EH-60A UH-60L R00019AT 14 CFR Part 29 Amendment 29-17 N/A N/A THI-UH60A- PFC-001 C 7-16-2019 9/29/2026

10. H-60 LLC UH-60A UH-60L R00113SE UH-60A: Part 29 Amendment 29-17 UH-60L: Part 29 Amendment 29-24 N/A N/A THI-UH60A- PFC-001 C 7-16-2019 9/30/2025

11. Hallux Aerospace LLC UH-60A UH-60L R00035LA 14 CFR Part 29 Amendment 29-17 N/A N/A THI-UH60A- PFC-001 C 7-16-2019 9/30/2025

12. Heliqwest International Inc.

UH-60A EH-60A R00028LA 14 CFR Part 29 Amendment 29-17 N/A N/A THI-UH60A- PFC-001 C 7-16-2019 9/30/2025

13. High Performance Helicopters Corp.

UH-60A R00054SE 14 CFR Part 29 Amendment 29-17 N/A N/A THI-UH60A- PFC-001 C 7-16-2019 9/30/2025

14. Northwest Rotorcraft LLC UH-60A R00058SE 14 CFR Part 29 Amendment 29-17 N/A N/A THI-UH60A- PFC-001 C 7-16-2019 9/30/2025

FEDERAL AVIATION ADMINISTRATION (FAA) APPROVED MODEL LIST (AML) SR02597SE FOR STC UH-60 Purge Fuel Collector ISSUE DATE: May 3, 2018

Page 2 of 2

**ITEM AIRCRAFT /**

**ROTORCRAFT MAKE**

**AIRCRAFT /**

**ROTORCRAFT MODEL**

**ORIGINAL**

**TC NUMBER**

**CERTIFICATION**

**BASIS FOR**

**ALTERATION**

**FAA APPROVED**

**AIRCRAFT /**

**ROTORCRAFT FLIGHT MANUAL**

**SUPPLEMENT**

**FAA APPROVED**

MASTER DRAWING LIST AML AMEND DATE Number Revision* Drawing Revision*

15. Pickering Aviation Inc.

UH-60A EH-60A UH-60L R00003AC 14 CFR Part 29 Amendment 29-0 N/A N/A THI-UH60A- PFC-001 C 7-16-2019 9/30/2025

16. PJ Helicopters Inc.

UH-60A R00020LA 14 CFR Part 29 Amendment 29-18 N/A N/A THI-UH60A- PFC-001 C 7-16-2019 9/30/2025

17. Reeder Flying Service UH-60A R00027LA 14 CFR Part 29 Amendment 29-1 N/A N/A THI-UH60A- PFC-001 C 7-16-2019 9/30/2025

18. Sixtyhawk TC LLC EH-60A UH-60A HH-60L R00025LA 14 CFR Part 29 Amendment 29-1 N/A N/A THI-UH60A- PFC-001 C 7-16-2019 9/30/2025

19. Skydance Blackhawk Operations LLC UH-60A R00022LA 14 CFR Part 29 Amendment 29-17 N/A N/A THI-UH60A- PFC-001 C 7-16-2019 9/30/2025

20. Timberline Helicopters, Inc.

UH-60A UH-60L R00052SE UH-60A: Part 29 Amendment 29-17 UH-60L: Part 29 Amendment 29-24 N/A N/A THI-UH60A- PFC-001 C 7-16-2019 9/29/2026

21. Unical Air Inc. UH-60A R00023LA 14 CFR Part 29 Amendment 29-17 N/A N/A THI-UH60A- PFC-001 C 7-16-2019 9/30/2025

22. Sikorsky Aircraft Corporation S-70 H2NE 14 CFR Part 29 Amendment 29-17 N/A N/A THI-UH60A- PFC-001 C 7-16-2019 9/30/2025 * Or later FAA Approved Revision

FAA Approved:

for Manager, West Certification Branch

Amended: June 21, 2022, September 30, 2025, September 29, 2026 Reissued:

## Every issue (5)

- September 29, 2026: Amended, Current. [certificate](https://openairdocs.org/files/sha256/85/80/8580eec0fa61c3e5c2330ab6596f01900ef91334672cf5f9c98365b78081b403), [SR02597SE_AML.pdf](https://openairdocs.org/files/sha256/40/96/40961a4ec046ef769d8616fe5edc8246b6b26b3c95c9263a428db151786b8f06)
- September 30, 2025: Amended, Historical. [certificate](https://openairdocs.org/files/sha256/85/80/8580eec0fa61c3e5c2330ab6596f01900ef91334672cf5f9c98365b78081b403), [SR02597SE_AML.pdf](https://openairdocs.org/files/sha256/a5/d5/a5d5ebc88bcb1068537194ff0b2ef3c7f29285517165a534c59f4d639ffb58f4)
- March 29, 2021: Amended, Historical. [certificate](https://openairdocs.org/files/sha256/85/80/8580eec0fa61c3e5c2330ab6596f01900ef91334672cf5f9c98365b78081b403), [AML SR02597SE.pdf](https://openairdocs.org/files/sha256/77/94/7794a3bcddb5db92904395653bb0f9ed7d87f1d75dd8f257549f83defd904575)
- August 10, 2018: Reissued, Historical. [certificate](https://openairdocs.org/files/sha256/85/80/8580eec0fa61c3e5c2330ab6596f01900ef91334672cf5f9c98365b78081b403), [AML_SR02597SE.pdf](https://openairdocs.org/files/sha256/96/33/9633a53732de68f8ddbaf9aac8e04579f46518e0686bc1ad10f9cccfac397d84)
- May 3, 2018: Issued, Historical. [certificate](https://openairdocs.org/files/sha256/be/a3/bea3493fe64feb6847da5a41bd1bfe57e7cc2ec5f07ee3dc4bd5ac374ead8001), [SR02597SE_AML.pdf](https://openairdocs.org/files/sha256/0d/a3/0da3e43b5a8d7c7531e4358f0cbaaa6db11f403630c3d45c52a4b6e6e15c8d9a)

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