# STC SA3949WE-D - Type: Supplemental type certificate - Status: Current, Reissued - Holder: United Airlines Inc, United States - Description: Remove all first class seating and class dividers. Relocate cabin seating to provide 15 rows at 38" pitch. Install sofa with end tables and privacy curtain, executive area with double seats and folding-leaf tables. Provide table and office work area. Install phones and 60HZ systems. - Applied: August 6, 1980 - Status date: November 30, 2011 - Product: Aircraft, Large Multi-Engine - Certification basis: Part 21 - Data sheets: [TCDS A3WE](https://openairdocs.org/tcds/A3WE) - Certificate PDF: https://openairdocs.org/files/sha256/6a/fe/6afe21495d9e0a977628b3993affca1c4253a597ce70d5ad60870e9de946588c - FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/01E739EB1320CE108625799800595642.0001 - DRS record last changed: December 6, 2025 - Page: https://openairdocs.org/stc/SA3949WE-D ## ADs that name it (0) None. ## Approved models (1) - The Boeing Company 727-200 Series ([TCDS A3WE](https://openairdocs.org/tcds/A3WE)) ## 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 Regulations. *See Type Certificate Data Sheet A3WE. A3WE Boeing 727-200 Description of Type Design Change: Remove all first class seating and class dividers. Relocate cabin seating to provide 15 rows at 38” pitch. Install sofa with end tables and privacy curtain, executive area with double seats and folding-leaf tables. Provide table and office work area. Install phones and 60HZ systems. Configuration in accordance with United Air Lines, DAS-1-WE, Approved Drawing List No. 3949 dated August 29, 1980, or later FAA approved revision. Limitations and Conditions: The approval of this change in type d esign applies basically to 727-200. This approval should not be extended to othe r aircraft of this model on which ot her previously approved modifications are incorporated, unless it is determined by the installer th at the interrelationship between this change and any of those other previously approved modifications will in troduce no adverse effect upon the airworthiness of that aircraft. This determination should in clude consideration of significant changes in weight distribution such as an increase in the fixed disposable weight in the fuselage. 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: August 6, 1980 Date of issuance: August 29, 1980 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/sha256/6a/fe/6afe21495d9e0a977628b3993affca1c4253a597ce70d5ad60870e9de946588c) --- 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.