# STC ST11261DS - Type: Supplemental type certificate - Status: Current, Amended - Holder: American Airlines Inc., United States - Description: Installation ofUmlaut HAFEX UL (a Halon-Equivalent) Handheld Fire Extinguishers in the passenger cabin, flight deck, and overhead flight and cabin crew rests Interior modification - Applied: December 20, 2020 - Status date: May 16, 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/ef/15/ef15c2fab018be8139d21dee4ba3457d84785a2702ae7321a95fc179659729d3 - FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID170858740620250610162413.0001 - DRS record last changed: December 6, 2025 - Page: https://openairdocs.org/stc/ST11261DS ## ADs that name it (0) None. ## Approved models (1) - The Boeing Company 787-8 ([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 Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number: ST11261DS This certificate issued to: American Airlines, Inc. M&E Engineering Division, 3900 North Mingo Road, MD 537/TUL, Tulsa, OK 74116 Part 25 of the Code of Federal Regulations. Original Product Make: Boeing Type Certificate Number: T00021SE Model: 787-8, 787-9 Description of Type Design Change: Installation of Umlaut HAFEX UL (a Halon-Equivalent) Handheld Fire Extinguishers in the passenger cabin, flight deck, and overhead flight and cabin crew rests Interior modification in accordance with Master Data List, 103877-MDL, Revision C, dated May 15, 2025 or later FAA approved revision, Serial Number Effectivity Report 103877-SNER, Revision D, dated April 16, 2025 or later FAA approved revision, Airplane Flight Manual Supplement, 103877-AFMS, Revision New, dated August 31, 2021 or later FAA approved revision, and Airplane Flight Manual Supplement, 103877-AMD01-AFMS, Revision New, dated May 2, 2025 or later FAA approved revision. This approval should not be incorporated in any aircraft of this specific model until compatibility of this modification with previously approved modifications has been determined by the installer. 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. Limitations and Conditions: continued on page 3 of 3) Date of Application: December 20, 2020 Date Reissued: Date of Issuance: August 31, 2021 Date Amended: May 16, 2025 By Direction of the Administrator Signature Mandy K. Jucte Mandy K. Lucke Title: ODA-700094-SW Administrator AVIATION United States of America Department of Transportation PARIS RATES Federal Aviation Administration Supplemental Type Certificate Number: ST11261DS Transfer Endorsement Transfer the ownership of Supplemental Type Certificate Number: ST11261DS To (Name and address of transferee) From (Name and address of grantor) Extent of Authority (if licensing agreement): FAA Form 8110-2 (3/21) Page 2 of 3 United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate (Continuation Sheet) Number: ST11261DS Limitations and Conditions: (continued): The Instructions for Continued Airworthiness, Document Number 103877-ICA, Revision D, dated 09 December 2024 or later FAA accepted revision shall be made available to the operator at the time of installation. The aircraft shall be maintained in accordance with the applicable Instructions for Continued Airworthiness. A revised EWIS ICA is not required for this STC. Certification Basis: Based on 14 CFR 21.115 and 21.101, and the FAA policy for non-significant changes in FAA Order 8110.48, the certification basis for the Boeing Models 787-8 and 787-9 aircraft for the change is as follows: a. The Type Certification basis for Boeing Models 787-8 and 787-9 airplanes is shown on TCDS T00021SE for The certification basis for parts changed or affected by the change since the reference date of application, December 20, 2020 is based upon Part 25, as amended by Amendment 25-146 and Part 26 as amended by Amendment 26-7. Based on 14 CFR 21.115 and 21.101, and the FAA policy for non-significant changes in FAA Order 8110.48, the certification basis for this modification was determined to be: Regulations at the latest amendment 25-0 through 25-146 25.29, 25.301(a), 25.303, 25.305(a)(b), 25.561(a)(b)(c)(1)(i)(d), 25.601, 25.603, 25.605(a), 25.613(a)(b), 25.619, 25.625(a)(b), 25.787(a)(b), 25.789(a), 25.791(e), 25.853(a), 25.1411(a)(b), 25.1439(a)(b)(1), 25.1529, 25.1541, 25.1557(a), 15.1561(a)(b)(c)(e), 25.1585(a)(3) Regulations at the amendment level in TCDS T00021SE 25.21(a)(1), 25.307(a), 25.851(a), 25.1301 (a)(b)(c), 25.1309(a)(b)(d) Regulations applicable to 787-9 only 25.1729 Amendment 25-123 Special Conditions: FAA Special Condition 25-419-SC Overhead Crew Rest Compartment, dated 25 February 2011; SC9 Issue Paper: FAA Issue Paper S-1 for 2-BTP Hand Fire Extinguishers, dated 20 January 2021 14 CFR Part 26 Regulations Based on 14 CFR §21.101(g), applicable provisions of 14 CFR part 26 are included in the certification basis. For any future 14 CFR part 26 amendments, the holder of this STC must demonstrate compliance with the applicable sections. As of the issuance of this STC, compliance has been found for the following regulations 14 CFR § 26.11(c)(d)(5) Amendment 26-0, applicable to 787-8 only. -- END - FAA Form 8110-2 (3/21) Page 3 of 3 ## Every issue (2) - May 16, 2025: Amended, Current. [certificate](https://openairdocs.org/files/sha256/ef/15/ef15c2fab018be8139d21dee4ba3457d84785a2702ae7321a95fc179659729d3) - August 31, 2021: Issued, Historical. [certificate](https://openairdocs.org/files/sha256/fe/58/fe58573778736c11f0f2de0182f8d59363534b93607bd77907bbbde07a1e6dae) --- 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.