# STC SA611WE - Type: Supplemental type certificate - Status: Current, Reissued - Holder: United Airlines Inc, United States - Description: Interior configuration - 120 passenger single class 5-abreast seating per United Air Lines approved drawing lists: COA 2-2083 (Sheet #1 Revision February 17, 1964, Sheet #2 dated December 4, 1963, Sheet #3 Revision dated February 27, 1964 and, COA 2-2099 Revision dated December 17, 1963). - Applied: January 20, 1964 - Status date: November 30, 2011 - Product: Aircraft, Large Multi-Engine - Certification basis: Part 21 - Data sheets: [TCDS 4A25](https://openairdocs.org/tcds/4A25) - Certificate PDF: https://openairdocs.org/files/sha256/86/19/8619c7428bf2303ebaac8be1800c4fc38c2075141e3d6e6758d88ed001137bdc - FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/825485C30A307579862579950062F4F2.0001 - DRS record last changed: December 6, 2025 - Page: https://openairdocs.org/stc/SA611WE ## ADs that name it (0) None. ## Approved models (27) - The Boeing Company DC-8-11 ([TCDS 4A25](https://openairdocs.org/tcds/4A25)) - The Boeing Company DC-8-12 ([TCDS 4A25](https://openairdocs.org/tcds/4A25)) - The Boeing Company DC-8-21 ([TCDS 4A25](https://openairdocs.org/tcds/4A25)) - The Boeing Company DC-8-31 ([TCDS 4A25](https://openairdocs.org/tcds/4A25)) - The Boeing Company DC-8-32 ([TCDS 4A25](https://openairdocs.org/tcds/4A25)) - The Boeing Company DC-8-33 ([TCDS 4A25](https://openairdocs.org/tcds/4A25)) - The Boeing Company DC-8-41 ([TCDS 4A25](https://openairdocs.org/tcds/4A25)) - The Boeing Company DC-8-42 ([TCDS 4A25](https://openairdocs.org/tcds/4A25)) - The Boeing Company DC-8-43 ([TCDS 4A25](https://openairdocs.org/tcds/4A25)) - The Boeing Company DC-8-51 ([TCDS 4A25](https://openairdocs.org/tcds/4A25)) - The Boeing Company DC-8-52 ([TCDS 4A25](https://openairdocs.org/tcds/4A25)) - The Boeing Company DC-8-53 ([TCDS 4A25](https://openairdocs.org/tcds/4A25)) - The Boeing Company DC-8-55 ([TCDS 4A25](https://openairdocs.org/tcds/4A25)) - The Boeing Company DC-8-61 ([TCDS 4A25](https://openairdocs.org/tcds/4A25)) - The Boeing Company DC-8-61F ([TCDS 4A25](https://openairdocs.org/tcds/4A25)) - The Boeing Company DC-8-62 ([TCDS 4A25](https://openairdocs.org/tcds/4A25)) - The Boeing Company DC-8-62F ([TCDS 4A25](https://openairdocs.org/tcds/4A25)) - The Boeing Company DC-8-63 ([TCDS 4A25](https://openairdocs.org/tcds/4A25)) - The Boeing Company DC-8-63F ([TCDS 4A25](https://openairdocs.org/tcds/4A25)) - The Boeing Company DC-8-71 ([TCDS 4A25](https://openairdocs.org/tcds/4A25)) - The Boeing Company DC-8-71F ([TCDS 4A25](https://openairdocs.org/tcds/4A25)) - The Boeing Company DC-8-72 ([TCDS 4A25](https://openairdocs.org/tcds/4A25)) - The Boeing Company DC-8-72F ([TCDS 4A25](https://openairdocs.org/tcds/4A25)) - The Boeing Company DC-8-73 ([TCDS 4A25](https://openairdocs.org/tcds/4A25)) - The Boeing Company DC-8-73F ([TCDS 4A25](https://openairdocs.org/tcds/4A25)) - The Boeing Company DC-8F-54 ([TCDS 4A25](https://openairdocs.org/tcds/4A25)) - The Boeing Company DC-8F-55 ([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. 600 Jefferson Street Houston, Texas 77002 Part 4b of the Civil Air Regulations 4A25 Boeing DC-8 Description of Type Design Change: Interior configuration – 120 passenger single class 5-abreast seating per United Air Lines approved drawing lists: COA 2-2083 (Sheet #1 Revision February 17, 1964, Sheet #2 dated December 4, 1963, Sheet #3 Revision da ted February 27, 1964 and, COA 2-2099 Revision dated December 17, 1963). Limitations and Conditions: The approval of this change in type design applies basically to the Model DC-8 only. This approval should not be extended to other specific airplanes of this model on which other previously approved modifications ar e 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: January 20, 1964 Date of issuance: February 18, 1964 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/sha256/86/19/8619c7428bf2303ebaac8be1800c4fc38c2075141e3d6e6758d88ed001137bdc) --- 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.