# STC ST09716AC - Type: Supplemental type certificate - Status: Current, Reissued - Holder: United Airlines Inc, United States - Description: Reconfiguration from 16F/144Y to 16F/138Y - Applied: August 20, 2012 - Status date: July 2, 2017 - Product: Aircraft, Large Airplane - Certification basis: Part 21, Part 25 - Data sheets: [TCDS A16WE](https://openairdocs.org/tcds/A16WE) - Certificate PDF: https://openairdocs.org/files/sha256/ca/b6/cab6ccf9d494bcffce4765bbc5675e6923c361838c6216cfb11cb61d3c4eeb29 - FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/25EDD5FC8FCD926A8625822D004DAC43.0001 - DRS record last changed: December 5, 2025 - Page: https://openairdocs.org/stc/ST09716AC ## 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. FAA Form 8110-2 (5/14) Page 1 of 3 Number: ST09716AC This certificate issued to: United Airlines 600 Jefferson St. Houston, TX 77002 Part 25 of the Federal Aviation Regulations Original Product – Type Certificate Number: Make: The Boeing Company A16WE Model: 737-800 Series Description of Type Design Change: 737-800 Reconfiguration from 16F/144Y to 16F/138Y in accordance with United Airlines Master Drawing List 2500DA13049 Revision C, dated February 25, 2014 or later FAA approved revision . Instructions for Continued Airworthiness, Document Number 2500R01035 Revision B, dated May 26, 2015 or later FAA accepted revision is required for this installation. No AFM Supplement or EWIS Source Document is required for this modification. 1) The installation should not be incorporated in any aircraft unless it is determined that the interrelationship between this installation and any previously approved configuration will not introduce any adverse effect upon the airworthiness of the aircraft. 2) If the holder agrees to permit another person to use this certificate to alter a product, the holder must give the other person written evidence of that permission. 3) Prior installation of United Airlines, Inc. Supplemental Type Certificate ST09698AC-D is required for the installation of this STC. Date of Application: August 20, 2012 Date Reissued: February 1, 2016; July 2, 2017 Date of Issuance: February 20, 2014 Date Amended: February 27, 2014 By Direction of the Administrator Signature Title Patrick Ashton, STC Administrator United Airlines Organization Designation Authorization FAA Form 8110-2 (5/14) Page 2 of 3 Transfer Endorsement Transfer the ownership of Supplemental Type Certificate Number: ST09716AC To (Name and address of transferee) From (Name and address of grantor) FAA Form 8110-2 (5/14) Page 3 of 3 United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate (Continuation Sheet) Number: ST09716AC Certification Basis: Based on 14 CFR § 21.115 and § 21.101, and the FAA policy for design changes that are not significant in FAA Order 8110.48, the certification basis for this modification is as follows: a. The type certification basis for parts not changed or not affected by the change is shown in TCDS A16WE. b. The certification basis for parts changed or affected by this modification since the reference application date August 20, 2012, is based upon the type certification basis shown in TCDS A16WE with the following exceptions. 14 CFR Part Amdt 14 CFR Part Amdt 25.305 (a)(b) 86 25.562 (a)(c)(8) 64 25.365 (e)(f)(g) 72 25.811 (c)(d)(g) 79 25.561 64 25.1415 (a)(b) 82 --END-- FAA Form 8110-2 (5/14) Page 4 of 3 United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate (Continuation Sheet) Number: ST09716AC FAA Form 8110-2 (5/14) Page 5 of 3 United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate (Continuation Sheet) Number: ST09716AC FAA Form 8110-2 (5/14) Page 6 of 3 United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate (Continuation Sheet) Number: ST09716AC ## Every issue (3) - July 2, 2017: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/ca/b6/cab6ccf9d494bcffce4765bbc5675e6923c361838c6216cfb11cb61d3c4eeb29) - February 27, 2014: Amended, Historical. [certificate](https://openairdocs.org/files/sha256/35/87/3587ad0ae9311d5627bf95e68588aedf765303b38d1390d42dfe2cd1c5b64482) - February 20, 2014: Issued, Historical. [certificate](https://openairdocs.org/files/sha256/a4/b9/a4b9e82bfd85adcacbdce8be04636bec63a7386fb9d9244ac90687128691951f) --- 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.