# STC SA5910NM-D - Type: Supplemental type certificate - Status: Current, Reissued - Holder: United Airlines Inc, United States - Description: Installation of Collins ACARS and VHF-3 system upgrade, and Bendix ACARS printer. (737-291) - Applied: July 15, 1993 - 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/sha256/23/ed/23eda549eb6fa696da0660a0eac77ff7fe9222162bcf00ef4f9d2e7d13d702e5 - FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/971FEE9C447673E1862579970057FD29.0001 - DRS record last changed: December 6, 2025 - Page: https://openairdocs.org/stc/SA5910NM-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. See Type Certificate Data Sheet A16WE for special conditions. Original Product Type Certificate Number : A16WE Make: Boeing Model: 737-291 and 737-2A1 Description of Type Design Chang e: The Collins ACARS and VHF-3 system upgrade and Bendix ACARS Printer installation is in accordance with United Air Li nes DAS-1-WE Approved Master Drawing List No. 5910 dated October 31, 1993, or later FAA approved revisions. Limitations and Conditions: The VHF-3 Transceiver is dedicated to ACARS data communications only and is not capable of voice communications. This approval should not be extended to other aircraft 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 a pproved modifications will introduce no adverse effect upon the airworthiness of that aircraft. A copy of this STC must be included in the permanent records of the modified 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. Date of application : July 15, 1993 Date of issuance : October 31, 1993 Date reissued : November 30, 2011 ( Signature) Haifa Haj-Eid Supervisor, Technical & Administrative Support Staff Los Angeles Aircraft Certification Office ( Title) Transfer the ownership of Supplemental Type Certificate Number to (Name of transferee) (Address of transferee) (Number and street) (City, State, and ZIP Code) from (Name of grantor) (Print or type) (Address of grantor) (Number and street) (City, State, and ZIP Code) Signature of grantor (In ink): U.S. GPO 1987-763-28 ## Every issue (1) - November 30, 2011: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/23/ed/23eda549eb6fa696da0660a0eac77ff7fe9222162bcf00ef4f9d2e7d13d702e5) --- 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.