# STC SA1931NW-D - Type: Supplemental type certificate - Status: Current, Reissued - Holder: United Airlines Inc, United States - Description: Seating configuration changed to accommodate 16 F/C and 243 coach passengers and first class accommodation separated from coach by specially installed cabin divider. - Applied: February 17, 1983 - Status date: November 30, 2011 - Product: Aircraft, Large Multi-Engine - Certification basis: Part 21, Part 25 - Data sheets: [TCDS A22WE](https://openairdocs.org/tcds/A22WE) - Certificate PDF: https://openairdocs.org/files/sha256/fa/e1/fae1dea1a403d4cfa15276651c0d737576d1b4ffc8e784bce162bad94759834a - FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/DFF4E99E65D2F5828625799E006B7A85.0001 - DRS record last changed: December 6, 2025 - Page: https://openairdocs.org/stc/SA1931NW-D ## ADs that name it (0) None. ## Approved models (1) - The Boeing Company DC-10-10 ([TCDS A22WE](https://openairdocs.org/tcds/A22WE)) ## 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. This Certificate issued to United Air Lines, Inc. 600 Jefferson Street Houston, Texas 77002 Part 25 of the Federal Aviation RlOriginal Product Type Certificate Number : A22WE Boeing DC-10-10 Description of Type Design Change: Seating configuration was changed to accommodate 16 F/C and 243 coach passengers and the first class accommodation was separated from the coach by specially installed cabin divider. Various cabin and cabin emergency equipment was relocated as required to meet CP Air (airplane leasee) standards. This reconfiguration will be done according to United Air Lines, DAS-1-WE, Approved Drawing list No. 1931 dated April 7, 1983, or later FAA approved revisions. Limitations and Conditions: This approval should not be extended to other specific airplanes of this model on which other previously approved modifications are incorporated, unless it is determined that the interrelationship between this cha nge and any of those other previ ously approved modifications will introduce 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. This certificate and the supporting data, which is the basis for approval, shall remain in effect until surrendered, suspended, revoked or a termination date is otherwise established by the Administrator of the Federal Aviation Administration. Date of application: February 17, 1983 Date of issuance: March 16, 1983 Date reissued: November 30, 2011 ( Signature) Haifa Haj-Eid Supervisor, Technical & Administrative Support Staff, Los Angeles Aircraft Certification Office (Ti l ) NOTE: **DO NOT DELETE THIS PAGE.** **DO NOT ADD ANY DATA TO THIS PAGE.** **THIS PAGE IS FOR PAGE NUMBERING PURPOSES, PLEASE DISCARD PRINTED COPY.** ## Every issue (1) - November 30, 2011: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/fa/e1/fae1dea1a403d4cfa15276651c0d737576d1b4ffc8e784bce162bad94759834a) --- 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.