# STC SR12471AT

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: RMCI Inc., United States
- Description: Installation of RMCI Health Useage and Monitoring System (HUMS)
- Applied: September 4, 2024
- Status date: August 25, 2026
- Product: Aircraft, Rotorcraft
- Certification basis: Part 21, Part 29
- Data sheets: [TCDS R00028LA](https://openairdocs.org/tcds/R00028LA), [TCDS R00029LA](https://openairdocs.org/tcds/R00029LA), [TCDS R00035LA](https://openairdocs.org/tcds/R00035LA), [TCDS R00113SE](https://openairdocs.org/tcds/R00113SE), [TCDS R00116LA](https://openairdocs.org/tcds/R00116LA), [TCDS R00024AT](https://openairdocs.org/tcds/R00024AT), [TCDS R00021LA](https://openairdocs.org/tcds/R00021LA), [TCDS R00026LA](https://openairdocs.org/tcds/R00026LA), [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 R00003AC](https://openairdocs.org/tcds/R00003AC), [TCDS R00058SE](https://openairdocs.org/tcds/R00058SE), [TCDS R00020AT](https://openairdocs.org/tcds/R00020AT), [TCDS R00005RC](https://openairdocs.org/tcds/R00005RC), [TCDS R00023LA](https://openairdocs.org/tcds/R00023LA), [TCDS R00054SE](https://openairdocs.org/tcds/R00054SE), [TCDS R0012DE](https://openairdocs.org/tcds/R0012DE) and 3 more
- Certificate PDF: https://openairdocs.org/files/sha256/ab/82/ab82a623d602ab10976ce5e128553a8ba6711a2494e831b33fc1c9f7b34ad59d
- Approved model list and other attachments: [SR12471AT_AML.pdf](https://openairdocs.org/files/sha256/c1/22/c1223c5a447b3fa876b0e7f4580d5b2bafd78d6589fad8ada41ff076348ed8c3)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID101249095420261016144739.0001
- DRS record last changed: October 16, 2026
- Page: https://openairdocs.org/stc/SR12471AT

## ADs that name it (0)

None.

## Approved models (37)

- ACE Aeronautics LLC UH-60A ([TCDS R00005RC](https://openairdocs.org/tcds/R00005RC))
- ACE Aeronautics LLC UH-60L ([TCDS R00005RC](https://openairdocs.org/tcds/R00005RC))
- Air Resources Helicopters Inc. UH-60A ([TCDS R00116LA](https://openairdocs.org/tcds/R00116LA))
- Air Resources Helicopters Inc. UH-60L ([TCDS R00116LA](https://openairdocs.org/tcds/R00116LA))
- BHI H60 Helicopters LLC UH-60A ([TCDS R0012DE](https://openairdocs.org/tcds/R0012DE))
- BHI Productions LLC UH-60A ([TCDS R00024AT](https://openairdocs.org/tcds/R00024AT))
- BHI Productions LLC UH-60L ([TCDS R00024AT](https://openairdocs.org/tcds/R00024AT))
- Billings Flying Service Inc. UH-60A ([TCDS R00021LA](https://openairdocs.org/tcds/R00021LA))
- 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 UH-60A ([TCDS R00020AT](https://openairdocs.org/tcds/R00020AT))
- Central Copters Inc. HH-60L ([TCDS R00029LA](https://openairdocs.org/tcds/R00029LA))
- Delta Enterprise LLC EH-60A ([TCDS R00019AT](https://openairdocs.org/tcds/R00019AT))
- Delta Enterprise LLC 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-70C ([TCDS H3NE](https://openairdocs.org/tcds/H3NE))
- 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 Air 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.

SR12471AT RMCI Inc.

1525 Perimeter Pkwy, Suite 250 Huntsville, AL 35806 Part 29 the Federal Aviation Regulations *** *** *** see Approved Model List (AML)

1) This installation must not be incorporated in any aircraft unless it is determined that the interrelationship between this installation and any FAA previously approved configuration will not introduce any adverse effect upon the airworthiness of the aircraft (continued).

09/04/2024 08/25/2026 (for) Michael P. Linegang Manager, East Certification Branch 3 Installation of RMCI Health Useage and Monitoring System (HUMS) in accordance with FAA Approved Model List AML-SR12471AT, dated August 25, 2026. This includes FAA Approved RMCI-000282 - Instructions for Continued Airworthiness (ICA), dated September 17, 2024 or later approved revision (continued).

SR12471AT 3

SR12471AT Description of Type Design Change: (continued) defined per the associated configuration's Master Data List (MDL) RCMI-H60HUMS-MDL, dated September 17, 2026, or later approved revision.

2) A copy of this AML STC must be included in the permanent records for the modified aircraft.

3) 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.

4) RMCI-000282 - Instructions for Continued Airworthiness (ICA), dated September 17, 2024 or later approved revision must be made available to the installer at the time of installation and must be incorporated into the operator's maintenance program.

Certification Basis:

Based on 14 CFR 21.115 and 21.101, and the FAA policy for significant changes in FAA Order 8110.48A, the certification basis for parts not changed or not affected by the change is per the TCDS listed on the Approved Model List.

The certification basis for parts changed or affected by the change since the reference date of application, September 4, 2024, is based upon Part 29 as amended by Amendment 29-24. Based on 14 CFR 21.115 and 21.101, and the FAA policy for significant changes in FAA Order 8110.48, the certification basis for this modification was determined to be:

Regulations at the latest amendment 29-0 through 29-24:

§ 29.1(a)(b)§ 29.21 § 29.29(a)(b)§ 29.301 § 29.303 § 29.307(a) § 29.337 § 29.561 § 29.601 § 29.603 § 29.609 § 29.613 § 29.625 § 29.1301(a)(b)(c) § 29.1309(a) § 29.1351 § 29.1357 § 29.1529 Regulations at an intermediate amendment: None ---------------------------------------------------------END---------------------------------------------- 3 3 Add Page

### SR12471AT_AML.pdf

**FAA APPROVED MODELS LIST (AML) AML-SR12471AT RMCI INC.**

**INSTALLATION OF RMCI XRDS HEALTH USAGE AND MONITORING SYSTEM**

**ON HELICOPTER MODELS LISTED**

Page 1 of 4

Original Issue Date: August 25, 2026

**ITEM AIRCRAFT MAKE AIRCRAFT MODEL**

**ORIGINAL TYPE**

**CERTIFICATE NUMBER**

**CERTIFICATION**

**BASIS FOR**

**ALTERATION**

**MASTER DRAWING LIST**

**INSTRUCTIONS FOR**

**CONTINUED**

**AIRWORHINESS RFM**

**SUPPLEMENT NO. & DATE AML**

**AMENDED**

**DATE REPORT NO.**

**REV. NO.**

& DATE REPORT NO.

REV. NO. & DATE 1 RMTL-000028 H-60 HUMS Billings Flying Service Inc.

UH-60A R00021LA 14 CFR Part 29 Amdt. 29-24 RMCI-H60HUMS-MDL NC, 9/17/20241 RMCI-H60HUMS-ICA NC, 09/17/20242 N/A N/A 2 RMTL-000028 H-60 HUMS Capitol Helicopters Inc.

UH-60A, HH-60L R00026LA 14 CFR Part 29 Amdt. 29-24 RMCI-H60HUMS-MDL NC, 9/17/20241 RMCI-H60HUMS-ICA NC, 09/17/20242 N/A N/A 3 RMTL-000028 H-60 HUMS PJ Helicopters Inc.

UH-60A R00020LA 14 CFR Part 29 Amdt. 29-24 RMCI-H60HUMS-MDL NC, 9/17/20241 RMCI-H60HUMS-ICA NC, 09/17/20242 N/A N/A 4 RMTL-000028 H-60 HUMS Reeder Flying Services Inc.

UH-60A R00027LA 14 CFR Part 29 Amdt. 29-24 RMCI-H60HUMS-MDL NC, 9/17/20241 RMCI-H60HUMS-ICA NC, 09/17/20242 N/A N/A 5 RMTL-000028 H-60 HUMS Sixtyhawk

TC, LLC UH-60A, HH-60L, EH-60A R00025LA 14 CFR Part 29 Amdt. 29-24 RMCI-H60HUMS-MDL NC, 9/17/20241 RMCI-H60HUMS-ICA NC, 09/17/20242 N/A N/A 6 RMTL-000028 H-60 HUMS Skydance Blackhawk Operations LLC UH-60A R00022LA 14 CFR Part 29 Amdt. 29-24 RMCI-H60HUMS-MDL NC, 9/17/20241 RMCI-H60HUMS-ICA NC, 09/17/20242 N/A N/A 7 RMTL-000028 H-60 HUMS Delta Enterprise UH-60A, EH-60A, UH-60L R00019AT 14 CFR Part 29 Amdt. 29-24 RMCI-H60HUMS-MDL NC, 9/17/20241 RMCI-H60HUMS-ICA NC, 09/17/20242 N/A N/A 8 RMTL-000028 H-60 HUMS Timberline Helicopters Inc.

UH-60A, UH-60L R00052SE 14 CFR Part 29 Amdt. 29-24 RMCI-H60HUMS-MDL NC, 9/17/20241 RMCI-H60HUMS-ICA NC, 09/17/20242 N/A N/A

**FAA APPROVED MODELS LIST (AML) AML-SR12471AT RMCI INC.**

**INSTALLATION OF RMCI XRDS HEALTH USAGE AND MONITORING SYSTEM**

**ON HELICOPTER MODELS LISTED**

Page 2 of 4

**ITEM AIRCRAFT MAKE AIRCRAFT MODEL**

**ORIGINAL TYPE**

**CERTIFICATE NUMBER**

**CERTIFICATION**

**BASIS FOR**

**ALTERATION**

**MASTER DRAWING LIST**

**INSTRUCTIONS FOR**

**CONTINUED**

**AIRWORHINESS RFM**

**SUPPLEMENT NO. & DATE AML**

**AMENDED**

**DATE REPORT NO.**

**REV. NO.**

& DATE REPORT NO.

REV. NO. & DATE 9 RMTL-000028 H-60 HUMS Pickering Aviation Inc.

EH-60A, UH-60A, UH-60L R00003AC 14 CFR Part 29 Amdt. 29-24 RMCI-H60HUMS-MDL NC, 9/17/20241 RMCI-H60HUMS-ICA NC, 09/17/20242 N/A N/A 10 RMTL-000028 H-60 HUMS Northwest Rotorcraft LLC UH-60A R00058SE 14 CFR Part 29 Amdt. 29-24 RMCI-H60HUMS-MDL NC, 9/17/20241 RMCI-H60HUMS-ICA NC, 09/17/20242 N/A N/A 11 RMTL-000028 H-60 HUMS Carson Helicopters Inc.

UH-60A R00020AT 14 CFR Part 29 Amdt. 29-24 RMCI-H60HUMS-MDL NC, 9/17/20241 RMCI-H60HUMS-ICA NC, 09/17/20242 N/A N/A 12 RMTL-000028 H-60 HUMS ACE Aeronautics LLC UH-60A, UH-60L R00005RC 14 CFR Part 29 Amdt. 29-24 RMCI-H60HUMS-MDL NC, 9/17/20241 RMCI-H60HUMS-ICA NC, 09/17/20242 N/A N/A 13 RMTL-000028 H-60 HUMS Unical Air Inc.

UH-60A R00023LA 14 CFR Part 29 Amdt. 29-24 RMCI-H60HUMS-MDL NC, 9/17/20241 RMCI-H60HUMS-ICA NC, 09/17/20242 N/A N/A 14 RMTL-000028 H-60 HUMS High Performance Helicopters Corp.

UH-60A R00054SE 14 CFR Part 29 Amdt. 29-24 RMCI-H60HUMS-MDL NC, 9/17/20241 RMCI-H60HUMS-ICA NC, 09/17/20242 N/A N/A 15 RMTL-000028 H-60 HUMS BHI H60 Helicopters LLC UH-60A R0012DE 14 CFR Part 29 Amdt. 29-24 RMCI-H60HUMS-MDL NC, 9/17/20241 RMCI-H60HUMS-ICA NC, 09/17/20242 N/A N/A 16 RMTL-000028 H-60 HUMS Sikorsky Aircraft Corp.

S-70C H3NE 14 CFR Part 29 Amdt. 29-24 RMCI-H60HUMS-MDL NC, 9/17/20241 RMCI-H60HUMS-ICA NC, 09/17/20242 N/A N/A 17 RMTL-000028 H-60 HUMS Sikorsky Aircraft Corp.

S-70A H5NE 14 CFR Part 29 Amdt. 29-24 RMCI-H60HUMS-MDL NC, 9/17/20241 RMCI-H60HUMS-ICA NC, 09/17/20242 N/A N/A

**FAA APPROVED MODELS LIST (AML) AML-SR12471AT RMCI INC.**

**INSTALLATION OF RMCI XRDS HEALTH USAGE AND MONITORING SYSTEM**

**ON HELICOPTER MODELS LISTED**

Page 3 of 4

**ITEM AIRCRAFT MAKE AIRCRAFT MODEL**

**ORIGINAL TYPE**

**CERTIFICAT**

**E NUMBER**

**CERTIFICATION**

**BASIS FOR**

**ALTERATION**

**MASTER DRAWING LIST**

**INSTRUCTIONS FOR**

**CONTINUED**

**AIRWORHINESS RFM**

**SUPPLEMENT NO. & DATE AML**

**AMENDED**

**DATE REPORT NO.**

**REV. NO. & DATE REPORT NO.**

REV. NO. & DATE 18 RMTL-000028 H-60 HUMS HeliQwest International Inc.

UH-60A, EH-60A R00028LA 14 CFR Part 29 Amdt. 29-24 RMCI-H60HUMS-MDL NC, 9/17/20241 RMCI-H60HUMS-ICA NC, 09/17/20242 N/A N/A 19 RMTL-000028 H-60 HUMS Central Copters Inc.

HH-60L R00029LA 14 CFR Part 29 Amdt. 29-24 RMCI-H60HUMS-MDL NC, 9/17/20241 RMCI-H60HUMS-ICA NC, 09/17/20242 N/A N/A 20 RMTL-000028 H-60 HUMS Hallux Aerospace LLC UH-60A, UH-60L R00035LA 14 CFR Part 29 Amdt. 29-24 RMCI-H60HUMS-MDL NC, 9/17/20241 RMCI-H60HUMS-ICA NC, 09/17/20242 N/A N/A 21 RMTL-000028 H-60 HUMS H-60, LLC UH-60A, UH-60L R00113SE 14 CFR Part 29 Amdt. 29-24 RMCI-H60HUMS-MDL NC, 9/17/20241 RMCI-H60HUMS-ICA NC, 09/17/20242 N/A N/A 22 RMTL-000028 H-60 HUMS Air Resources Helicopters Inc UH-60A, UH-60L R00116LA 14 CFR Part 29 Amdt. 29-24 RMCI-H60HUMS-MDL NC, 9/17/20241 RMCI-H60HUMS-ICA NC, 09/17/20242 N/A N/A 23 RMTL-000028 H-60 HUMS BHI Productions, LLC UH-60A, UH-60L R00024AT 14 CFR Part 29 Amdt. 29-24 RMCI-H60HUMS-MDL NC, 9/17/20241 RMCI-H60HUMS-ICA NC, 09/17/20242 N/A N/A

**FAA APPROVED MODELS LIST (AML) AML-SR12471AT RMCI INC.**

**INSTALLATION OF RMCI XRDS HEALTH USAGE AND MONITORING SYSTEM**

ON HELICOPTER MODELS LISTED Page 4 of 4 Notes:

1 or later FAA approved revision.

2 or later FAA accepted revision, effective on the date of installation.

Original Issue Date: August 25, 2026 FAA APPROVED:

(for) Michael P. Linegang Manager, East Certification Branch Compliance & Airworthiness Division Aircraft Certification Service

## Every issue (1)

- August 25, 2026: Issued, Current. [certificate](https://openairdocs.org/files/sha256/ab/82/ab82a623d602ab10976ce5e128553a8ba6711a2494e831b33fc1c9f7b34ad59d), [SR12471AT_AML.pdf](https://openairdocs.org/files/sha256/c1/22/c1223c5a447b3fa876b0e7f4580d5b2bafd78d6589fad8ada41ff076348ed8c3)

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