# STC SA2355WE - Type: Supplemental type certificate - Status: Current, Reissued - Holder: United Airlines Inc, United States - Description: Installation of Life Raft Assembly in accordance with FAA Approved United Air Lines Top Drawing 9F-9674, or later FAA approved revisions. - Applied: November 4, 1970 - Status date: November 30, 2011 - 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/ce/02/ce02e22ea8892c900e624fcb3eed08fcb3f51bae27cfca10bd3df517b250b899 - FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/FC1ABA58333B8548862579960057947E.0001 - DRS record last changed: December 6, 2025 - Page: https://openairdocs.org/stc/SA2355WE ## ADs that name it (0) None. ## Approved models (1) - The Boeing Company 747-100 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. 600 Jefferson Street Houston, Texas 77002 Part 25* of the Federal Aviation Regulations * In accordance with original certification requirements set forth on Type Certificate Data Sheet A20WE Original Product Type Certificate Number : A20WE Boeing 747-122 Description of Type Design Change: Installation of Life Raft Assembly in accordance with FAA Approved United Air Lines Top Drawing 9F-9674, 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 inter-relationship between this cha nge and any of those other previ ously approved modifications will introduce no adverse effect upon the airworthiness of that aircraft. 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 4, 1970 Date of issuance: August 17, 1971 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/ce/02/ce02e22ea8892c900e624fcb3eed08fcb3f51bae27cfca10bd3df517b250b899) --- 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.