# STC SR04461CH

- Type: Supplemental type certificate
- Status: Current, Amended
- Holder: Helitak USA, LLC, United States
- Description: Installation of a Helitak FT4500 Black Hawk Fire Tank Liquid Dispensing System
- Applied: April 20, 2020
- Status date: June 12, 2026
- Product: Aircraft, Rotorcraft
- Certification basis: Part 29, Part 21
- Data sheets: [TCDS R00005RC](https://openairdocs.org/tcds/R00005RC), [TCDS R00021LA](https://openairdocs.org/tcds/R00021LA), [TCDS R00020AT](https://openairdocs.org/tcds/R00020AT), [TCDS R00019AT](https://openairdocs.org/tcds/R00019AT), [TCDS R00054SE](https://openairdocs.org/tcds/R00054SE), [TCDS R00020LA](https://openairdocs.org/tcds/R00020LA), [TCDS R00022LA](https://openairdocs.org/tcds/R00022LA), [TCDS R00035LA](https://openairdocs.org/tcds/R00035LA), [TCDS R00029LA](https://openairdocs.org/tcds/R00029LA), [TCDS R00003AC](https://openairdocs.org/tcds/R00003AC), [TCDS R00113SE](https://openairdocs.org/tcds/R00113SE), [TCDS R0012DE](https://openairdocs.org/tcds/R0012DE), [TCDS R00023LA](https://openairdocs.org/tcds/R00023LA), [TCDS R00025LA](https://openairdocs.org/tcds/R00025LA), [TCDS R00028LA](https://openairdocs.org/tcds/R00028LA), [TCDS R00052SE](https://openairdocs.org/tcds/R00052SE), [TCDS H2NE](https://openairdocs.org/tcds/H2NE), [TCDS H3NE](https://openairdocs.org/tcds/H3NE), [TCDS R00058SE](https://openairdocs.org/tcds/R00058SE), [TCDS R00026LA](https://openairdocs.org/tcds/R00026LA) and 1 more
- Certificate PDF: https://openairdocs.org/files/sha256/28/1f/281ffa1fac95f06379b2a1567c1e32b60023649f9395a72d0c1f49a7376c4686
- Approved model list and other attachments: [SR04461CH_AML.pdf](https://openairdocs.org/files/sha256/26/e0/26e040dca6a2fe90a58e44c5f983b29082e9642aefbb1f96ead1f59ad340464c)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID123869543520260730170941.0001
- DRS record last changed: July 30, 2026
- Page: https://openairdocs.org/stc/SR04461CH

## ADs that name it (0)

None.

## Approved models (30)

- ACE Aeronautics LLC UH-60A ([TCDS R00005RC](https://openairdocs.org/tcds/R00005RC))
- BHI H60 Helicopters LLC UH-60A ([TCDS R0012DE](https://openairdocs.org/tcds/R0012DE))
- Billings Flying Service Inc UH-60A ([TCDS R00021LA](https://openairdocs.org/tcds/R00021LA))
- 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))
- 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))
- 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-70 ([TCDS H2NE](https://openairdocs.org/tcds/H2NE))
- Sikorsky Aircraft Corporation S-70A ([TCDS H5NE](https://openairdocs.org/tcds/H5NE))
- Sikorsky Aircraft Corporation S-70C ([TCDS H3NE](https://openairdocs.org/tcds/H3NE))
- Sikorsky Aircraft Corporation S-70M ([TCDS H5NE](https://openairdocs.org/tcds/H5NE))
- Timberline Helicopters Inc. UH-60A ([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.

SR04461CH Helitak USA, LLC 874 W. Verdulera St.

Camarillo, CA 93010 Part 29 Title 14 CFR * * * See attached Federal Aviation Administration (FAA) Approved Model List (AML) SR04461CH for appoved aircraft models and applicable airworthiness regulations This STC is applicable to all serial numbers for the listed Make-Model. The Installation should not be incorporated in any other aircraft unless it is determined that the interrelationship between this installation and any previously approved configuration will not introduce any adverse effect upon the airworthiness of the aircraft. The approval of this modification applies to the above noted airplane model series only. A copy of this STC must be included in the permanent record of the modified aircraft.

(Limitations and conditions continued on page 3) 04/20/2020 06/01/2021 06/07/2021 06/12/2026 05/25/2021 10/29/2021 ✔ for Manager, West Certification Branch 3 Installation of a Helitak FT4500 Fire Tank Liquid Dispensing System in accordance with FAA approved documents listed in AML No. SR04461CH.

SR04461CH 06/12/2026 3

SR04461CH 06/12/2026 Limitations and Conditions Continued:

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.

Instructions for Continued Airworthiness listed in FAA Approved Model List (AML) No. SR04461CH must be made available to the operator at the time of installation.

Certification Basis:

Based on 14 CFR §§ 21.101, 21.115 and the FAA policy for significant changes in FAA Order 8110.48A, the certification basis for the UH-60A and the EH-60A Rotorcraft Installation of a Helitak FT4500 Black Hawk Fire Tank Liquid Dispensing System is as follows:

a. The type certification basis for parts not changed or not affected by this STC is as listed under the original TCDSs in the FAA Approved Model List (AML) No. SR04461CH.

b. The certification basis for parts changed or affected by the change since the reference date of application, April 20, 2020, is based upon 14 CFR 29 at Amendment 57 which is beyond the amendment level listed under the original TCDSs in the FAA Approved Model List (AML) No. SR04461CH.

Regulations at the amendment 29-0 through 29-17:

29.1(a, b), 29.29(a, b), 29.45(a), 29.51(a-c), 29.63(a-c), 29.65(a), 29.75(a-c), 29.141(a-c), 29.143(a-c), 29.171, 29.173 (a, b), 29.175(a-d), 29.235, 29.251, 29.301(a-c), 29.303, 29.305(a), 29.307(a), 29.337(a, b), 29.341, 29.561(a-d),

29.601(a, b), 29.603(a-c), 29.605(a, b), 29.607(a, b), 29.609(a, b), 29.611(a-c), 29.613(a-c), 29.619(b(1)), 29.625 (a-c), 29.771(a-c), 29.773(a), 29.777 (a, b), 29.853(a), 29.1301(a-d), 29.1309(a-e), 29.1322 (a-d), 29.1351(a),

29.1353(a), 29.1357(a, c-d), 29.1359(b), 29.1381(a, b), 29.1383(b(1)), 29.1401(a(1),b), 29.1431(b), 29.1501(a, b),

29.1503(a, b), 29.1505(a), 29.1519, 29.1523(a-c), 29.1525, 29.1527, 29.1541(a, b), 29.1555(a), 29.1581(a-d),

29.1583(a-f, h), 29.1585(a-f), 29.1587(a, b), 29.1589.

Regulations above amendment 29-17:

29.49(b, c), 29.177(a-c), 29.1529.

------------------------ END--------------------- 3 3 Add Page

### SR04461CH_AML.pdf

**FAA APPROVED MODEL LIST (AML) FOR STC SR04461CH**

FOR

**INSTALLATION OF HELITAK FT4500 FIRE TANK LIQUID DISPENSING SYSTEM**

AML Original Issue: October 29, 2021

Page 1 of 5 ITEM AIRCRAFT MAKE AIRCRAFT MODEL ORIGINAL TYPE CERTIFICATE NUMBER CERTIFICATION BASIS CONTROLLED DOCUMENTS INITIAL APPROVAL DATE. AMENDED DATE / RE-ISSUED DATE NUMBER REVISION NO. AND DATE

1. High Performance Helicopters Corp UH-60A R00054SE As noted on STC SR04461CH Master Document List (MDL), 101-B-FT4500-UH60 Rev B, May 12, 20211 May 25, 2021 October 29, 2021 Instructions for Continued Airworthiness (ICA) Document U10-0601 Rev B, Feb 25, 20212 Rotorcraft flight Manual Supplement (RFMS), 104-FT4500-UH60 Rev B, May 12, 20211

2. Pickering Aviation Inc. UH-60A, EH-60A, UH-60L R00003AC As noted on STC SR04461CH3 MDL, 101-B-FT4500-UH60 Rev G, Jan 15, 20251 October 29, 2021 May 23, 2025 ICA Document U10-0601 Rev E, Feb 7, 20222 RFMS, 104-FT4500-UH60 Rev C, Oct 22, 20211

3. Delta Enterprise UH-60A, EH-60A R00019AT As noted on STC SR04461CH3 MDL, 101-B-FT4500-UH60 Rev C, Oct 06, 20211 October 29, 2021 ICA Document U10-0601 Rev D, Sept 30, 20212 RFMS, 104-FT4500-UH60 Rev C, Oct 22, 20211

4. Carson Helicopters, Inc. UH-60A R00020AT As noted on STC SR04461CH3 MDL, 101-B-FT4500-UH60 Rev C, Oct 06, 20211 October 29, 2021 ICA Document U10-0601 Rev D, Sept 30, 20212 RFMS, 104-FT4500-UH60 Rev C, Oct 22, 20211

5. PJ Helicopters Inc. UH-60A R00020LA As noted on STC SR04461CH3 MDL, 101-B-FT4500-UH60 Rev C, Oct 06, 20211 October 29, 2021 ICA Document U10-0601 Rev D, Sept 30, 20212 RFMS, 104-FT4500-UH60 Rev C, Oct 22, 20211

6. Billings Flying Services UH-60A R00021LA As noted on STC SR04461CH3 MDL, 101-B-FT4500-UH60 Rev C, Oct 06, 20211 October 29, 2021 ICA Document U10-0601 Rev D, Sept 30, 20212

**FAA APPROVED MODEL LIST (AML) FOR STC SR04461CH**

FOR

**INSTALLATION OF HELITAK FT4500 FIRE TANK LIQUID DISPENSING SYSTEM**

AML Original Issue: October 29, 2021

Page 2 of 5

RFMS, 104-FT4500-UH60 Rev C, Oct 22, 20211 ITEM AIRCRAFT MAKE AIRCRAFT MODEL ORIGINAL TYPE CERTIFICATE NUMBER CERTIFICATION BASIS CONTROLLED DOCUMENTS. INITIAL APPROVAL DATE AMENDED DATE / RE-ISSUED DATE NUMBER REVISION NO. AND DATE

7.

Skydance Blackhawk Operations LLC UH-60A R00022LA As noted on STC SR04461CH3 MDL, 101-B-FT4500-UH60 Rev C, Oct 06, 20211 October 29, 2021 ICA Document U10-0601 Rev D, Sept 30, 20212 RFMS, 104-FT4500-UH60 Rev C, Oct 22, 20211

8. Ace Aeronautics LLC UH-60A R00005RC As noted on STC SR04461CH3 MDL, 101-B-FT4500-UH60 Rev C, Oct 06, 20211 October 29, 2021 ICA Document U10-0601 Rev D, Sept 30, 20212 RFMS, 104-FT4500-UH60 Rev C, Oct 22, 20211

9. BHI H60 Helicopters LLC UH-60A R0012DE As noted on STC SR04461CH3 MDL, 101-B-FT4500-UH60 Rev D, Mar 9, 20221 May 2, 2022 ICA Document U10-0601 Rev E, Feb 7, 20222 RFMS, 104-FT4500-UH60 Rev C, Oct 22, 20211

10. Unical Aviation Inc. UH-60A R00023LA As noted on STC SR04461CH3 MDL, 101-B-FT4500-UH60 Rev D, Mar 9, 20221 May 2, 2022 ICA Document U10-0601 Rev E, Feb 7, 20222 RFMS, 104-FT4500-UH60 Rev C, Oct 22, 20211

11. Sixtyhawk TC LLC UH-60A, EH-60A, HH-60L R00025LA As noted on STC SR04461CH3 MDL, 101-B-FT4500-UH60 Rev D, Mar 9, 20221 May 2, 2022 ICA Document U10-0601 Rev E, Feb 7, 20222 RFMS, 104-FT4500-UH60 Rev C, Oct 22, 20211

12. Heliqwest International Inc. UH-60A, EH-60A R00028LA As noted on STC SR04461CH3 MDL, 101-B-FT4500-UH60 Rev D, Mar 9, 20221 May 2, 2022 ICA Document U10-0601 Rev E, Feb 7, 20222 RFMS, 104-FT4500-UH60 Rev C, Oct 22, 20211

**FAA APPROVED MODEL LIST (AML) FOR STC SR04461CH**

FOR

**INSTALLATION OF HELITAK FT4500 FIRE TANK LIQUID DISPENSING SYSTEM**

AML Original Issue: October 29, 2021

Page 3 of 5

ITEM AIRCRAFT MAKE AIRCRAFT MODEL ORIGINAL TYPE CERTIFICATE NUMBER CERTIFICATION BASIS CONTROLLED DOCUMENTS. INITIAL APPROVAL DATE AMENDED DATE / RE-ISSUED DATE NUMBER REVISION NO. AND DATE

13. Timberline Helicopters Inc. UH-60A R00052SE As noted on STC SR04461CH3 MDL, 101-B-FT4500-UH60 Rev D, Mar 9, 20221 May 2, 2022 ICA Document U10-0601 Rev E, Feb 7, 20222 RFMS, 104-FT4500-UH60 Rev C, Oct 22, 20211

14. Sikorsky Aircraft Corporation S-70 H2NE As noted on STC SR04461CH3 MDL, 101-B-FT4500-UH60 Rev D, Mar 9, 20221 May 2, 2022 ICA Document U10-0601 Rev E, Feb 7, 20222 RFMS, 104-FT4500-UH60 Rev C, Oct 22, 20211

15. Sikorsky Aircraft Corporation S-70C H3NE As noted on STC SR04461CH3 MDL, 101-B-FT4500-UH60 Rev D, Mar 9, 20221 May 2, 2022 ICA Document U10-0601 Rev E, Feb 7, 20222 RFMS, 104-FT4500-UH60 Rev C, Oct 22, 20211

16. Northwest Rotorcraft LLC UH-60A R00058SE As noted on STC SR04461CH3 MDL, 101-B-FT4500-UH60 Rev D, Mar 9, 20221 May 2, 2022 ICA Document U10-0601 Rev E, Feb 7, 20222 RFMS, 104-FT4500-UH60 Rev C, Oct 22, 20211

17. Capitol Helicopters Inc. UH-60A R00026LA As noted on STC SR04461CH3 MDL, 101-B-FT4500-UH60 Rev D, Mar 9, 20221 May 2, 2022 ICA Document U10-0601 Rev E, Feb 7, 20222 RFMS, 104-FT4500-UH60 Rev C, Oct 22, 20211 18 Sikorsky Aircraft Corporation S-70A; S-70M H5NE As noted on STC SR04461CH3 MDL, 101-B-FT4500-UH60 Rev D, Mar 9, 20221 May 2, 2022 ICA Document U10-0601 Rev E, Feb 7, 20222 RFMS, 104-FT4500-UH60 Rev C, Oct 22, 20211

**FAA APPROVED MODEL LIST (AML) FOR STC SR04461CH**

FOR

**INSTALLATION OF HELITAK FT4500 FIRE TANK LIQUID DISPENSING SYSTEM**

AML Original Issue: October 29, 2021

Page 4 of 5

**ITEM AIRCRAFT MAKE AIRCRAFT MODEL**

**ORIGINAL TYPE**

**CERTIFICATE NUMBER**

**CERTIFICATION BASIS CONTROLLED DOCUMENTS. INITIAL**

**APPROVAL DATE**

**AMENDED**

**DATE / RE- ISSUED DATE NUMBER REVISION NO. AND DATE**

19. Central Copters Inc. HH-60L R00029LA As noted on STC SR04461CH3 MDL, 101-B-FT4500-UH60 Rev G, Jan 15, 20251 May 23, 2025 ICA Document U10-0601 Rev E, Feb 7, 20222 RFMS, 104-FT4500-UH60 Rev C, Oct 22, 20211

20. Hallux Aerospace LLC UH-60A, UH-60L R00035LA As noted on STC SR04461CH3 MDL, 101-B-FT4500-UH60 Rev G, Jan 15, 20251 May 23, 2025 ICA Document U10-0601 Rev E, Feb 7, 20222 RFMS, 104-FT4500-UH60 Rev C, Oct 22, 20211

21. Seaview Aviation UH-60A, UH-60L R00113SE As noted on STC SR04461CH3 MDL, 101-B-FT4500-UH60 Rev G, Jan 15, 20251 May 23, 2025 ICA Document U10-0601 Rev E, Feb 7, 20222 RFMS, 104-FT4500-UH60 Rev C, Oct 22, 20211

**FAA APPROVED MODEL LIST (AML) FOR STC SR04461CH**

FOR

**INSTALLATION OF HELITAK FT4500 FIRE TANK LIQUID DISPENSING SYSTEM**

AML Original Issue: October 29, 2021

Page 5 of 5

NOTES:

1 or later FAA approved revisions.

2 or later FAA accepted revisions. ICA must be made available to the operator at the time of installation.

3 regulation 14 CFR 29.865(a) was added to the amended STC on October 29, 2021.

FAA Approved

Date: 5/23/2025 Tierney Young Aviation Safety Manager, Airframe Section Los Angeles ACO Branch

## Every issue (5)

- June 12, 2026: Amended, Current. [certificate](https://openairdocs.org/files/sha256/28/1f/281ffa1fac95f06379b2a1567c1e32b60023649f9395a72d0c1f49a7376c4686), [SR04461CH_AML.pdf](https://openairdocs.org/files/sha256/26/e0/26e040dca6a2fe90a58e44c5f983b29082e9642aefbb1f96ead1f59ad340464c)
- May 23, 2025: Amended, Historical. [certificate](https://openairdocs.org/files/sha256/aa/2b/aa2b42d8ec034f6c993d76a29c8c6ad0e9ddd90a38a85ee125f9f0545f5ea972), [SR04461CH_AML.pdf](https://openairdocs.org/files/sha256/26/e0/26e040dca6a2fe90a58e44c5f983b29082e9642aefbb1f96ead1f59ad340464c)
- October 29, 2021: Amended, Historical. [certificate](https://openairdocs.org/files/sha256/aa/2b/aa2b42d8ec034f6c993d76a29c8c6ad0e9ddd90a38a85ee125f9f0545f5ea972), [AML_SR04461CH.pdf](https://openairdocs.org/files/sha256/87/1e/871e796d8d24f27397c53d6c0efab618115578050d9a15734d38d8f17f288604)
- June 1, 2021: Reissued, Historical. [certificate](https://openairdocs.org/files/sha256/ef/30/ef300027d5aa47498b68a43cabcf87b49b293009286798cd94ff3aea3a05ca8f)
- May 25, 2021: Issued, Historical. [certificate](https://openairdocs.org/files/sha256/6c/88/6c881134ebc92cdd3bf4a4c02d2d8656c746cf56899f01b88336431b9bf73ec0)

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