# STC ST04434AT - Type: Supplemental type certificate - Status: Current, Issued - Holder: Aero Design Services Inc, United States - Description: Installation of a passenger interior configuration - Applied: February 28, 2018 - Status date: February 28, 2019 - Product: Aircraft, Large Airplane - Certification basis: Part 21, Part 25, Part 26, Part 121 - Data sheets: [TCDS A16WE](https://openairdocs.org/tcds/A16WE) - Certificate PDF: https://openairdocs.org/files/sha256/73/ae/73ae516d7cfd5a250f83e9222a37093f1dad9b4f6a3342668e288176dbd822f3 - FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/F305D4965F1546C78625857A00533B8C.0001 - DRS record last changed: December 6, 2025 - Page: https://openairdocs.org/stc/ST04434AT ## 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 Read from the PDF's text layer, without the form's printed wording; the layout is lost and the order can differ. The PDF is the record. United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate Possession of this Su pplemental Type Certificate (STC) document by persons other than the STC holder does not constitute r ights to the design data nor to alter an aircraft, aircraft engine, or propeller. The STC’s supporting documentation (drawings, instructions, specifications, flight manual supplements, etc.) is th e property of the STC holder. FAA Form 8110-2 (5/14) Page 1 of 4 Number: ST04434AT This certificate issued to: Aero Design Services, Inc. 4905 34th Street South, Suite 2000 St. Petersburg, FL 33711 Part 25 of the Federal Aviation Regulations. Original Product – Type Certificate Number: A16WE Make: Boeing Model: B737-800 Description of Type Design Change: Installation of a passenger interior configuration in accordance with Master Drawing List AB17-3088 Revision F dated January 7, 2019 or later FAA approved drawing revisions. This approval should not be extended to other aircraft of this model on which other previously approved modifications are incorporated, unless it is determined by the installer that the interrelationship between this change and any other previously approved modifications will produce no adverse effect upon the airworthiness of that airplane. 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.  FAA letter AIR-675-18-006 provides the provisions and requirements for a deviation to §§121.310(f)(3)(iii). This certificate and the supporting data, which is the basis for approval, shall remain in effect until surrendered, suspended, and revoked or a termination date is otherwise established by the Administrator of the Federal Aviation Administration. Date of Application: February 28, 2018 Date Reissued: Date of Issuance: February 28, 2019 Date Amended: By Direction of the Administrator Signature Title: Christina Underwood Manager, Atlanta ACO Branch Possession of this Su pplemental Type 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, or propeller. The STC’s supporting documentation (drawings, instructions, specifications, flight manual supplements, etc.) is th e property of the STC holder. FAA Form 8110-2 (5/14) Page 2 of 4 Transfer the ownership of Supplemental Type Certificate Number: ST04434AT To (Name and address of transferee) From (Name and address of grantor) United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate (Continuation Sheet) Number:ST04434AT Possession of this Su pplemental Type 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, or propeller. The STC’s supporting documentation (drawings, instructions, specifications, flight manual supplements, etc.) is th e property of the STC holder. FAA Form 8110-2 (5/14) Page 3 of 4 Instructions for Continued Airworthiness (ICA): Aero Design Services, Inc document # IC-0273-01 Revision E dated January 7, 2019 or later FAA accepted revisions must be available at the time of installation. Certification Basis: 14 CFR § Part 25 Regulations Based on 14 CFR §§ 21.115 and 21.101, and the FAA policy for significant changes in FAA Order 8110.48, the certification basis for Boeing 737-800 series aircraft is as follows: a. The type certification basis Boeing 737-800 series aircraft is shown on TCDS A16WE for parts not changed or not affected by the change. b. The certification basis for parts changed or affected by the change since the reference date of application, February 28, 2018 is based upon part 25 as amended by Amendment 25-144. Based on 14 CFR §§ 21.115 and 21.101, and the FAA policy for 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 25-144 §§ 25.301 §§ 25.601 §§ 25.609 §§ 25.789(a) §§ 25.853(a)(c)(d) §§ 25.303 §§ 25.603 §§ 25.625 §§ 25.791 §§ 25.1443(c) §§ 25.307 §§ 25.605 §§ 25.785(a)(b) §§ 25.815 §§ 25.1529 §§ 25.562 §§ 25.607 (c)(d)(f)(1)(3) §§ 25.817 Regulations at an intermediate amendment §§ 25.1353 Amdt. 25-113 Regulations at the amendment level in TCDS A16WE §§ 25.305(a)(b) §§ 25.611 §§ 25.807(a)(b)(c) §§ 25.813(a)(b)(c) §§ 25.1447 §§ 25.365(e) §§ 25.613 (d)(1)(2)(4)(5)(6)(7) §§ 25.1301(a)(b)(c) (a)(b)(c)(1)(2)(3) §§ 25.561 (e)(f) §§ 25.1309(a) Equivalent Safety Findings have been made for the following regulation(s): §§ 25.813(c) (Amdt. 25-76) as documented in FAA ELOS Memorandum No. TD8301SE-T-C-1. (cont.) United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate (Continuation Sheet) Number:ST04434AT Possession of this Su pplemental Type 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, or propeller. The STC’s supporting documentation (drawings, instructions, specifications, flight manual supplements, etc.) is th e property of the STC holder. FAA Form 8110-2 (5/14) Page 4 of 4 14 CFR Part 26 Regulations Based on 14 CFR §21.101(g), applicable provision 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 date of this STC, compliance has been found for the following regulation: 14 CFR §26.11, §26.47, §26.49 --------------------------END--------------------------- ## Every issue (1) - February 28, 2019: Issued, Current. [certificate](https://openairdocs.org/files/sha256/73/ae/73ae516d7cfd5a250f83e9222a37093f1dad9b4f6a3342668e288176dbd822f3) --- 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.