# STC SA5997NM-D - Type: Supplemental type certificate - Status: Current, Reissued - Holder: United Airlines Inc, United States - Description: Installation of HF Datalink System. The installation is in accordance with DAS-1-WE Approved United Air Lines Drawing List No. 5997 dated November 24, 1994, or later FAA approved revisions. - Applied: October 31, 1994 - Status date: November 30, 2011 - Product: Aircraft - Certification basis: Part 21, Part 25 - Data sheets: [TCDS A1NM](https://openairdocs.org/tcds/A1NM) - Certificate PDF: https://openairdocs.org/files/sha256/10/30/1030d2dd9a07c49e8947efc05a34e18f9288d5c5f403213692cfb9126bd7245d - FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/47DB5809BDC8372786257998004F86D1.0001 - DRS record last changed: December 6, 2025 - Page: https://openairdocs.org/stc/SA5997NM-D ## ADs that name it (0) None. ## Approved models (2) - The Boeing Company 767-200 Series ([TCDS A1NM](https://openairdocs.org/tcds/A1NM)) - The Boeing Company 767-300 Series ([TCDS A1NM](https://openairdocs.org/tcds/A1NM)) ## 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 A1NM for Special Conditions Original Product Type Certificate Number : A1NM Boeing 767-200 Series, B767-300ER Series Description of Type Design Change: Installation of HF Datalink System. The installation is in accordance with DAS-1-WE Approved United Air Lines Drawing List No. 5997 dated November 24, 1994, or later FAA approved revisions. Limitations and Conditions: Approval of this change in type design applies to the above model aircraft only. This approval shoul d not be extended to other aircra ft of these models on which other previously approved modifications are incorporated unless it is determined by the installer that the interrelationship between this change and any of the previously a pproved 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 sh all 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 31, 1994 Date of issuance: November 24, 1994 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/sha256/10/30/1030d2dd9a07c49e8947efc05a34e18f9288d5c5f403213692cfb9126bd7245d) --- 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.