# STC SA5912NM-D - Type: Supplemental type certificate - Status: Current, Reissued - Holder: United Airlines Inc, United States - Description: Installation of a Mark VII GPWS/ windshear computer and associated warning and monitor lights. - Applied: October 22, 1992 - 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/sha256/2e/09/2e0991f6bf6e79316c74f08f82275a1c8b2c7850756968617d874518a887d044 - FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/25B921B6801C91C5862579970057679C.0001 - DRS record last changed: December 6, 2025 - Page: https://openairdocs.org/stc/SA5912NM-D ## ADs that name it (0) None. ## Approved models (1) - The Boeing Company 747-200 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. 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 A20WE for special conditions. Original Product Type Certificate Number : A20WE Make: Boeing Model: 747-200 Series Description of Type Design Change : Installation of a Mark VII GPWS/Windshear Computer and associated warning and monitor lights in accordance with United Air Lines DAS-1-WE Approved Drawing List No. 5912 dated March 19, 1992 or later FAA approved revisions. United Air Lines Airplane Flight Manual Supplement to FAA Approved Flight Manual No. D6-137303.222 and D6-137303.322 dated March 19, 1993 or later FAA approved revisions is required as part of the modification. Limitations and Conditions : This approval should not be extended to other aircraft of this model on which other previously approved modifications are incorpor ated 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 : October 22, 1992 Date of issuance : March 19, 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/sha256/2e/09/2e0991f6bf6e79316c74f08f82275a1c8b2c7850756968617d874518a887d044) --- 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.