What it approves
Installation of P178 Failsafe Audio Mixer
What the certificate says
From the PDF’s text layer, without the form’s printed wording. Layout and order may differ; the PDF is the record.
SR02445SE AEM USA, Inc.
5441 S. Macadam Ave # 5932 Portland, OR 97239 * * * *See attached Federal Aviation Administration (FAA) Approved Model List (AML) SR02445SE for approved aircraft Models and applicable airworthiness regulations.
Approval of this change in type design applies to the rotorcraft listed on AML SR02445SE only. This approval should not be extended to other rotorcraft of this model on which other previously approved modifications are incorporated unless it is determined by the installer that the relationship between this change and other previously approved modifications will introduce no adverse effect upon the airworthiness of that rotorcraft. A copy of this certificate, AML SR02445SE, and the ICA, must be maintained as part of the permanent records for the modified aircraft.
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 11/07/2014 10/28/2015 11/16/2018 05/20/2022 06/30/2015 ✔ for Manager, West Certification Branch 3 Installation of P178 Failsafe Audio Mixer in accordance with Master List as listed on AML SR02445SE, or later FAA approved revision.
Maintained in accordance with Instructions for Continued Airworthiness (ICA) as listed on AML SR02445SE, or later FAA-accepted revision.
SR02445SE 04/16/2026 3
SR02445SE 04/16/2026 Date Reissued: 4/16/2026
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ADs that name this STC · 0
An AD can apply because an STC is installed, or mention one in its text.
Approved models · 30
| Make | Model | Data sheet |
|---|---|---|
| Airbus Helicopters | AS-350B | H9EU |
| Airbus Helicopters | AS-350B1 | H9EU |
| Airbus Helicopters | AS-350B2 | H9EU |
Every issue · 5
DRS keeps each issue of an STC as its own record, with its own certificate and attachments.
| Date | Status | Files |
|---|---|---|
| April 16, 2026 | Reissued, current | CertificateApproved model list |
| May 20, 2022 | Reissued, earlier issue | CertificateApproved model list |
| November 16, 2018 | Reissued, earlier issue | CertificateApproved model list |
| October 28, 2015 | Reissued, earlier issue | CertificateApproved model list |
| June 30, 2015 | Issued, earlier issue | CertificateApproved model list |