STC SR09510RC

SR09510RC Airbus Helicopters, Inc.

2701 N. Forum Drive Grand Prairie, TX 75052 27 Code of Federal Regulations H9EU Airbus Helicopters AS350B3

1. This STC is applicable to all serial numbers for this Make-Model.

2. For post ECP 07.20207 aircraft, AHI STC SR11353DS is a prerequisite installation.

3. Additional limitations may be detailed in the Rotorcraft Flight Manual Supplement(s).

---See continuation sheet 3--- 7/12/17 7/16/18 6/6/25 3/25/21 Michael R. Giambrocco, ODA-700097-SW ODA Lead administrator 3 Installation of AEM 600W Loud Hailer System on Airbus Helicopters model AS350B3 aircraft in accordance with Master Drawing List 350A82-1794 Rev. A, dated 16 Nov 2017 or later ODA approved revision.

SR09510RC 06/06/25 3

SR09510RC 06/06/25 Description of Type Design Change (continued from sheet 1):

Rotorcraft Flight Manual Supplement 350FMS-548 Rev. IR dated 16 Feb 2018 or later ODA approved revision is required. Instructions for Continued Airworthiness 350MMS-039 Rev. IR dated 10 Jan 2018, or later ODA or AED accepted revision is required.

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 is the same as TCDS H9EU, Rev 23, 11/18/2014 except for the following:

• 27.773 Amendment 27-50

Limitations and Conditions (continued from sheet 1):

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

5. 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.

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