# STC SA3579WE-D - Type: Supplemental type certificate - Status: Current, Reissued - Holder: United Airlines Inc, United States - Description: Installation of ARINC Communications Addressing and Reporting System (ACARS) - Applied: October 28, 1978 - Status date: November 30, 2011 - Product: Aircraft, Large Multi-Engine - Certification basis: Part 21, Part 25 - Data sheets: [TCDS A16WE](https://openairdocs.org/tcds/A16WE) - Certificate PDF: https://openairdocs.org/files/sha256/97/db/97db291debb920cead504ae2e10f2a4f9311c19dc0e706c62c25445a854b4e6f - FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/3B8021F214002694862579980053229B.0001 - DRS record last changed: December 6, 2025 - Page: https://openairdocs.org/stc/SA3579WE-D ## ADs that name it (0) None. ## Approved models (1) - The Boeing Company 737-200 Series ([TCDS A16WE](https://openairdocs.org/tcds/A16WE)) ## 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 25 of the Federal Aviation Regulations. A16WE Boeing 737-222 Description of Type Design Change: Installation of ARINC Communications Addressing and Reporting System (ACARS) in accordance with United Air Lines DAS-1-WE, Approved Drawing List No. 3579 dated August 2, 1979, or later FAA approved revisions. Limitations and Conditions: The approval of this change in type design applies only to 737-222 aircraft. This approval does not extend to other ai rcraft 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 approved modifications will introduce no adverse effect upon the airworthiness of that aircraft. This determination should include consideration of significant changes in weight distribution such as 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: October 28, 1978 Date of issuance: December 1, 1978 Date reissued: November 30, 2011 Date amended: August 2, 1979 ( 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/sha256/97/db/97db291debb920cead504ae2e10f2a4f9311c19dc0e706c62c25445a854b4e6f) --- 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.