# STC SA2763NM-D - Type: Supplemental type certificate - Status: Current, Reissued - Holder: United Airlines Inc, United States - Description: Installation of Dual Mode S/ATCRBS Transponder System (in place of existing Dual ATCRBS Transponder System). In addition, wiring provisions for interconnection of the Mode S transponders and a future TCAS computer are installed. These installations were accomplished in accordance with United Air Lines DAS-1-WE Approved Drawing List No. 2763, dated June 24, 1989, or later FAA approved revisions. United Air Lines FAA Approved Flight Manual Supplement on the Collins Mode S/ATCRBS Transponder dated June 24, 1989 for Boeing 737-322 Airplane Flight Manual D6-8730.322 is required as part of this installation. - Applied: March 20, 1989 - 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/e4/31/e4318395acbf485b31e432777dd8ef37c6d93121a0cd664ca20301167e85603a - FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/B4EBBBCB121AE2A4862579960054C165.0001 - DRS record last changed: December 6, 2025 - Page: https://openairdocs.org/stc/SA2763NM-D ## ADs that name it (0) None. ## Approved models (1) - The Boeing Company 737-300 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 See Type Certificate Data Sheet A16WE for Special Conditions Original Product Type Certificate Number : A16WE Boeing 737-322 Description of Type Design Change: Installation of Dual Mode S/ATCRBS Transponder System (in place of existing Dual ATCRBS Transponder System). In addition, wiring provisions for interconnection of the Mode S transponders and a future TCAS com puter are installed. These installations were accomplished in accordance with United Air Lines DAS-1-WE Approved Drawing List No. 2763, dated June 24, 1989, or later FAA a pproved revisions. United Air Lines FAA Approved Flight Manual Supplement on the Collins Mode S/ATCRBS Tran sponder dated June 24, 1989 for Boeing 737-322 Airplane Flight Manual D6-8730.322 is required as part of this installation. Limitations and Conditions: This approval does not extend to other aircraft of this model on which other previously approved modifications ar e incorporated unless it is determined by the installer that the interrelationship between this change and any of those previously approved modifications will introduce no adverse effect upon th e 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: March 20, 1989 Date of issuance: June 24, 1989 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/e4/31/e4318395acbf485b31e432777dd8ef37c6d93121a0cd664ca20301167e85603a) --- 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.