What it approves
Installation Smoke Detectors
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.
ST04791NY Aeronautical Engineers, Inc.
7765 NW 54th Street Miami, FL 33166 Part 25 Title 14 Code of Regulations A16WE Boeing 737-800 Series
1. If the holder agrees to permit another person to use the certificate to alter the product, the holder must give the other person written evidence of that permission.
2. Compatibility of this design change with previously approved modifications must be determined by the installer.
(Limitations and Conditions continued on page 3 of 3) 06/29/2023 01/07/2026 10/26/2023 Michael Linegang Manager, East Certification Branch Compliance & Airworthiness Division Aircraft Certification Service 3 Installation Smoke Detectors in accordance with Delta Engineering Master Data List (MDL) 0106-11849-2577 Revision A dated Oct. 19, 2023 or later FAA approved revisions to Delta Engineering Master Data List previously listed. The Instructions for Continued Airworthiness and Airplane Flight Manual Supplement as listed on the Master Data List are required with this installation.
ST04791NY 3
ST04791NY Date Reissued: January 07, 2026
3. Reference Delta Engineering Master Data List for additional limitations and conditions and applicable serial numbers.
Certification Basis:
Based on 14 CFR §§ 21.115 and 21.101, and the FAA policy for significant changes in FAA Order 8110.48, this STC is a non-significant change. The certification basis for un-changed or not affected areas by this STC remains un-changed by this STC and the certification basis for this STC is as follows:
a. The following regulations for CFR Part 25 at later amendment than the TCDS all other regulations at certification basis defined in the TCDS:
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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 · 1
| Make | Model | Data sheet |
|---|---|---|
| The Boeing Company | 737-800 Series | A16WE |
Every issue · 2
DRS keeps each issue of an STC as its own record, with its own certificate and attachments.
| Date | Status | Files |
|---|---|---|
| January 7, 2026 | Issued, current | Certificate |
| October 26, 2023 | Issued, earlier issue | Certificate |