STC SR12471AT

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