# STC ST11928SE - Type: Supplemental type certificate - Status: Current, Issued - Holder: Northwest Aerospace Technologies Inc., United States - Description: Installation of an interior reconfiguration - Applied: December 19, 2023 - Status date: April 12, 2025 - Product: Aircraft, Large Airplane - Certification basis: Part 25 - Data sheets: [TCDS T00021SE](https://openairdocs.org/tcds/T00021SE) - Certificate PDF: https://openairdocs.org/files/sha256/0e/85/0e85e91965c775436bf5dd5b92285f9144adb1d5a63200aa82acdc57e08ef828 - FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID115019154020260616171631.0001 - DRS record last changed: June 16, 2026 - Page: https://openairdocs.org/stc/ST11928SE ## ADs that name it (0) None. ## Approved models (1) - The Boeing Company 787-9 ([TCDS T00021SE](https://openairdocs.org/tcds/T00021SE)) ## What the certificate says This is OCR from the scanned FAA certificate. OCR can misread letters and numbers. United States of America HUSH NƯẬ Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number: ST11928SE This certificate issued to: Northwest Aerospace Technologies, Inc. 415 Riverside Road Everett, WA 98201 Pan 25 & 26 of the Federal Aviation Regulations Original Product Type Certificate Number: T00021SE Make: The Boeing Company Description of Type Design Change: Model: 787-9 Installation of an interior reconfiguration in accordance with Northwest Aerospace Technologies, Inc. (NAT), Master Drawing List (MDL) N0718-D10, Revision K, dated March 29, 2025, or later Federal Aviation Administration (FAA) approved revision. Maintained in accordance with Instructions for Continued Airworthiness (ICA) N0718-D70, Revision B, dated March 6, 2025 or later FAA-accepted revision. Approval of this change in type design applies to the above model aircraft only. Date of Application: 12/19/23 Date Reissued: Date of Issuance: 4/12/25 Date Amended: Title: ODA Lead Administrator, ODA-636059-NM or propeller. The ST's supporting documentation (drawings, instructions, specifications, flight manual supplements, etc.) is the property of the STC holder. Page 2 of 3 FAA 8110-2 (10/24) permission acceptable to the FAA. (Ref. 14 CFR 21.120). holder. The ST's supporting documentation (drawings, instructions, specifications, flight manual supplements, etc.) is the property of the STC Certificate (STC) document by persons other than the STC holder does not constitute rights to the design data nor to alter an aircraft, aircraft engine, be transferred or made available to third persons by licensing agreements in accordance with 14 CFR 21.47. Possession of this Supplemental Type This certificate may Signature of grantor: Transfer Endorsement in the name of the transferee and forward it to him. Certification Office of the transfer of this Supplemental Type Certificate. The FAA will reissue the certificate A copy of this certification and ICA must be maintained as part o the permanent records for the modified aircraft. The FAA has approved accomplishing the tasks specified in ICA N0718-D70, Revision B, dated March 6, 2025, or later FAA-accepted revision. If the holder agrees to another person to use this certificate to alter the product, the holder shall give the other person written evidence of that permission. Supplemental Type Certificate (STC) installation requires prior or concurrent installation of: 1. STG Aerospace Germany GmbH FAA AML STC ST04562NY. 2. Boeing Service Bulletin B787-81205-SB440284-00, Issue 001, dated February 3, 2025, or later approved revision. 3. Boeing Service Bulletin B787-81205-SB530088-00, Issue 001, dated June 17, 2024 or later approved revision. Certification Basis: The certification basis for this modification of Boeing 787-9 aircraft is Title 14 Code of Federal Regulations Part 25 & 26 as shown on the Type Certification Data Sheet T00021SE. -END-. ## Every issue (1) - April 12, 2025: Issued, Current. [certificate](https://openairdocs.org/files/sha256/0e/85/0e85e91965c775436bf5dd5b92285f9144adb1d5a63200aa82acdc57e08ef828) --- 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.