# STC ST04791NY - Type: Supplemental type certificate - Status: Current, Issued - Holder: Aeronautical Engineers, Inc., United States - Description: Installation Smoke Detectors - Applied: June 29, 2023 - Status date: January 7, 2026 - Product: Aircraft, Large Airplane - Certification basis: Part 25 - Data sheets: [TCDS A16WE](https://openairdocs.org/tcds/A16WE) - Certificate PDF: https://openairdocs.org/files/sha256/22/89/2289b140d9f1b69e757983b32b51a0ecd36dbc54539cf4ace183aae7a6f3c951 - FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID138945908020260312152808.0001 - DRS record last changed: March 12, 2026 - Page: https://openairdocs.org/stc/ST04791NY ## ADs that name it (0) None. ## Approved models (1) - The Boeing Company 737-800 Series ([TCDS A16WE](https://openairdocs.org/tcds/A16WE)) ## What the certificate says Some pages are OCR from the scanned FAA certificate. OCR can misread letters and numbers. 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 United States of America Department of Transportation Federal Aviation Administration TORIMISTRATO Supplemental Type Certificate (Continuation Sheet) Number: ST04791NY Date Reissued: January 07, 2026 Limitations and Conditions: (continued): 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: Amendment Section Title 25- 25.305 Strength and deformation 86 25.571 Damage-tolerance and fatigue evaluation of structure 86 25.611 Accessibility provision 123 25.613 Materials strength properties and design values 112 25.857 Cargo compartment classification 93 25.858 Cargo (or baggage compartment smoke or fire detection systems) 93 25.869 Fire protection: systems 123 25.1301 Function and installation 123 25.1309 Equipment systems and installations 123 25.1310 Power source capacity and distribution 123 25.1353 Electrical equipment and installations 123 25.1357 Circuit protective devices 123 25.1431 Electronic equipment 113 25.1585 Operating procedures 105 25.1713 Fire protection EWIS 123 b. CFR Part 26: 1. The design change does not impact existing Electrical Wiring Interconnect System Source Document Section Title At Amendment §26.11 EWIS 26-7 $26.47 AASR 26-7 - END- This ## Every issue (2) - January 7, 2026: Issued, Current. [certificate](https://openairdocs.org/files/sha256/22/89/2289b140d9f1b69e757983b32b51a0ecd36dbc54539cf4ace183aae7a6f3c951) - October 26, 2023: Issued, Historical. [certificate](https://openairdocs.org/files/sha256/ba/c3/bac33c261199bddc26764db0942ad4933f518781747725714419f2fae756e01a) --- OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.