# STC SR12441MC

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Leonardo Helicopters US Corporation, United States
- Description: Installation of exterior NVIS compatible formation lights
- Applied: February 20, 2025
- Status date: September 15, 2026
- Product: Aircraft, Rotorcraft
- Certification basis: Part 27
- Data sheets: [TCDS H7EU](https://openairdocs.org/tcds/H7EU)
- Certificate PDF: https://openairdocs.org/files/sha256/aa/4f/aa4f77b80f1a88bcaae0cc90450f2551cc2659d2b46e71ad6ec5d3f4ae6d7849
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID116249196320260918151957.0001
- DRS record last changed: September 18, 2026
- Page: https://openairdocs.org/stc/SR12441MC

## ADs that name it (0)

None.

## Approved models (1)

- Leonardo S.p.A. AW119 MKII ([TCDS H7EU](https://openairdocs.org/tcds/H7EU))

## What the certificate says

Some pages are OCR from the scanned FAA certificate. OCR can misread letters and numbers.

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number This certificate issued to:

SR12441MC Leonardo Helicopters US Corporation 3050 Red Lion Rd., Philadelphia, PA 19114 27 Title 14 Code of Federal Regulatons H7EU Leonardo S.p.A AW119 MkII

1. The installer must determine whether this design change is compatible with previously approved modifications.

2. If the holder agrees to permit another person to use this certificate to alter a product,the holder must give this person written evidence of that permission. (Continued to page 4) 02/20/2025 09/15/2026 for Trenton Shepherd, Manager Military Certification Branch AIR-780 5

1. Installation of exterior NVIS compatible formation lights in accordance with FAA approved Leonardo Helicopters US Corporation Master Data List Document No. AWPC-KIT-3340F003 Rev - Dated 7/23/2026 or later FAA approved revision.(Contined to page 3)

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number

Date o transfer:

SR12441MC 5

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate (Continuation Sheet) Number: SR12441MC (continued from page 1 of 5) Description of Type Design Change:

2. STC Configurations are as follows.

a. Configuration A1 is applicable to S/N 14938, 14940 and 15001 and subsequent. This installs the lights on A/C that contain Leonardo TC Formation Lights Installation 109G3340F10

b. Configuration A2 is applicable to S/N 14938, 14940 and 15001 and subsequent. This installs the lights on A/C that do not have any existing formation light kit installed.

3. For configurations A1 and A2, aircraft is to be operated in accordance with Rotorcraft Flight Manual, Document No. AWPC-ENG-25-007 Revision -, approved on July 16, 2026, or later FAA-approved revisions.

4. For configurations A1, A2, aircraft is to be maintained in accordance with the Instructions for Continued Airworthiness, Document No. AWPC-ENG-25-008 Rev -, dated July 9, 2026 or later FAA-accepted revisions.

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate (Continuation Sheet) Number Limitations and Conditions: (continued from page 1 of 5):

3. This STC is applicable to AW119MKII helicopters with serial numbers 14938, 14940 and 15001 and subsequent.

4. This STC requires that STC SR02520AK is installed on the A/C.

5. This STC is compatible with STC SR04441NY NVG Compatible Lighting System.

Compatibility with other NVG lighting systems may require additional testing.

Certification Basis:

(a) The type certification basis for the series Leonardo S.p.A AW119 MKII aircraft is shown on TCDS HEU for parts not changed or not affected by the change.

(b) The certification basis for parts changed or affected by the change since the reference date of application February 20, 2025 is based upon part 27 as amended by Amendment 27-46. This certification basis matches the prerequisite STC SR02520AK.

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 amendment 27-0 through 27-46:

14 CFR Part 27 Amdt. 14 CFR Part 27 Amdt. 14 CFR Part 27 Amdt. 14 CFR Part 27 Amdt.

27.29 27-14 27.301 Initial 27.303 Initial 27.305(a) Initial 27,307(a) 27-26 27.601 Initial 27.603 27-16 27.605 27-16

27.609 Initial 27.613 27-26 27.619 Initial 27.625 Initial

27.771(a) Initial 27.773 (a)(b) Initial 27.777 Initial 27.1301 Initial 27,1309(a) 27-46 27.1351(a) 27-13 27.1357 27-13 27.1365 27-35

27.1367(b)(c) Initial 27.1381(a)(b) Initial 27.1501 27-14 27.1529 27-18

**27.1581 27-14 27.1583 27-16 27.1585 27-21 END**

## Every issue (1)

- September 15, 2026: Issued, Current. [certificate](https://openairdocs.org/files/sha256/aa/4f/aa4f77b80f1a88bcaae0cc90450f2551cc2659d2b46e71ad6ec5d3f4ae6d7849)

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