# STC SA1926NW-D - Type: Supplemental type certificate - Status: Current, Reissued - Holder: United Airlines Inc, United States - Description: Installation of a flight attendant seat at RH floor level exit door. - Applied: November 8, 1982 - Status date: November 30, 2011 - Product: Aircraft, Large Multi-Engine - Certification basis: Part 21, Part 25 - Data sheets: [TCDS 4A25](https://openairdocs.org/tcds/4A25) - Certificate PDF: https://openairdocs.org/files/sha256/31/53/3153557ef1448d0130d850a792a33a0d667b83809386f3dc299c2856a4679285 - FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/E93A9F11FF6827048625799E006A5951.0001 - DRS record last changed: December 5, 2025 - Page: https://openairdocs.org/stc/SA1926NW-D ## ADs that name it (0) None. ## Approved models (2) - The Boeing Company DC-8-61 ([TCDS 4A25](https://openairdocs.org/tcds/4A25)) - The Boeing Company DC-8-71 ([TCDS 4A25](https://openairdocs.org/tcds/4A25)) ## 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 4b of the Civil Air RlOriginal Product Type Certificate Number : 4A25 Boeing DC-8-71, -61 Description of Type Design Change: To meet the requirements of the 14 CFR ยง 25.785(h), a new flight attendant seat will be installed at RH floor level exit door. This seat installation will be done according to United Air Lines, DAS-1-WE, Approved Drawing List # 1926 dated February 17, 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 approve d modifications are incorporated, unless it is determined that the interrelationship between th is change and any of those other previously approved modifications will introduce no adverse e ffect upon the airworthine ss 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: November 8, 1982 Date of issuance: February 11, 1983 Date reissued: November 30, 2011 ( Signature) Haifa Haj-Eid Supervisor, Technical & Administrative Support Staff, Los Angeles Aircraft Certification Office ( Title) 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/sha256/31/53/3153557ef1448d0130d850a792a33a0d667b83809386f3dc299c2856a4679285) --- 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.