# STC ST00021LB-D - Type: Supplemental type certificate - Status: Current, Reissued - Holder: United Airlines Inc, United States - Description: The installation of Rumbold F/C Seats, BE Aerospace - SPG C/C seats, Recaro Y.C Seats, BE20000M Distributed Video, PRIMEX P/C Power in F/C and C/C seats, an Airshow system and Hunting Aviation Personal Video Players in F/C Seats. Driessen Class Divider between C/C and Y/C. Flight Structure Video support at Door 3. Video monitors at Door 3 and onto the Driessen Class Dividers, Curtain and tracks between C/C and Y/C. The modification also consists of the relocation of PSU panels and F/C center Console, and the reduction of seat count and mix from 418 to 372. - Applied: July 11, 1997 - Status date: May 23, 2012 - Product: Aircraft, Large Multi-Engine - Certification basis: Part 21, Part 25 - Data sheets: [TCDS A20WE](https://openairdocs.org/tcds/A20WE) - Certificate PDF: https://openairdocs.org/files/sha256/88/15/88152e7eafa0362c60a030c301692d069e4b1e67490ec24674c46112c28d9cb8 - FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/A56EBD5C3AD011D386257A1000632FF4.0001 - DRS record last changed: December 6, 2025 - Page: https://openairdocs.org/stc/ST00021LB-D ## ADs that name it (0) None. ## Approved models (1) - The Boeing Company 747-400 Series ([TCDS A20WE](https://openairdocs.org/tcds/A20WE)) ## 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 This certificate has been reissued to replace the original certificate reported as lost. This Certificate issued to United Air Lines, Inc. 600 Jefferson Street Houston, Texas 77002 Part 25 of the Federal Aviation Regulations. See Type Certificate Data Sheet A20WE for Special Conditions. A20WE Boeing 747-400 series Description of Type Design Change: The installation of Rumbold F/C Seats, BE Aerospace – SPG C/C seats, Recaro Y.C Seats, BE20000M Distributed Video, PRIMEX P/C Power in F/C and C/C seats, an Airshow system and Hunting Aviation Personal Video Players in F/C Seats. Driessen Class Divider between C/C and Y/C. Flight Structure Video support at Door 3. Video monitors at Door 3 and onto the Driessen Class Dividers, Curtain and tracks between C/C and Y/C. The modification also consists of the relocation of PSU panels and F/C center Console, and the reduction of seat count and mix from 418 to 372. The installation is in accordance with DAS-1-W E Approved United Air Lines Master Drawing List No. 00021, dated December 5, 1997, or later FAA approved revisions. Limitations and Conditions: The approval of this installation applies to the 747-400 series only. This approval should not 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 of those other previously a pproved modifications will introduce no adverse effect upon the airworthiness of that aircraft. If the holder ag rees 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: July 11, 1997 Date of issuance: December 5, 1997 Date reissued: November 30, 2011, May 23, 2012 Date amended: April 8, 1998, December 6, 1999 ( 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 (2) - May 23, 2012: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/88/15/88152e7eafa0362c60a030c301692d069e4b1e67490ec24674c46112c28d9cb8) - November 30, 2011: Reissued, Historical. [certificate](https://openairdocs.org/files/sha256/d2/c6/d2c69cb40da1a00a5be8167dd79657ddb0b6bdbce1c85ef869baf685ae22c228) --- 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.