# STC SA4134NM - Type: Supplemental type certificate - Status: Current, Reissued - Holder: Rockwell Collins Aerospace & Electronics Inc. Flight Dynmics Division, United States - Description: Installation of a Flight Dynamics, Inc. Head Up Display Guidance System with Windshear Detection and Guidance, Model 1000WS. - Applied: October 21, 1987 - Status date: March 7, 2012 - Product: Aircraft, Large Multi-Engine - Certification basis: Part 21, Part 25 - Data sheets: [TCDS A3WE](https://openairdocs.org/tcds/A3WE) - Certificate PDF: https://openairdocs.org/files/sha256/29/88/2988eb9ab792cd68db07fd31abb39450c35c25e5f058f9aeff4359e409316014 - FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/AA1D91617BCBD03B862579C2007B7557.0001 - DRS record last changed: December 6, 2025 - Page: https://openairdocs.org/stc/SA4134NM ## ADs that name it (0) None. ## Approved models (1) - The Boeing Company 727-200 Series ([TCDS A3WE](https://openairdocs.org/tcds/A3WE)) ## 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. Number SA4134NM This certificate, issued to Rockwell Collins, Inc. 27300 SW Parkway Ave Wilsonville, OR 97070 Part 25 of the Federal Aviation Regulations. Original ProductType Certificate Number: A3WE Make: Boeing Model: 727-200 Description of the Type Design Change: Installation of a Flight Dynamics, Inc. Head Up Display Guidance System with Windshear Detection and Guidance, Model 1000WS, in accordance with the Alaska Airlines Engineering Order 3-34-30-373, Revision C, and Flight Dynamics Document 1000-080, Revision E2, or later Federal Aviation Administration approved revisions. The Model 1000WS installation is approved in an inoperative status only. Limitations and Conditions: The approval of this change applies to the aircraft model 727-200 S/N 21458 only and should not be extended to other specific models of these airplanes on which other previously approved modifications are incorporated unless it is determined that the interrelationship between this change and any of those previously approved modifications will introduce no adverse effect upon the airworthiness of that airplane. A copy of this certificate shall be maintained as part of the permanent records for this 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 21, 1987 Date reissued: 6/13/05; 1/21/10; 3/7/12 Date of issuance: November 2, 1987 Date amended: (Signature) Acting Manager, Seattle Aircraft Certification Office (Title) ## Every issue (3) - March 7, 2012: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/29/88/2988eb9ab792cd68db07fd31abb39450c35c25e5f058f9aeff4359e409316014) - January 21, 2010: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/df/18/df189c0e8d495deacf4a07ffe5f4710981383c77895b5cb5b06c7ff302e7f49a) - June 13, 2005: Reissued, Historical. [certificate](https://openairdocs.org/files/sha256/df/18/df189c0e8d495deacf4a07ffe5f4710981383c77895b5cb5b06c7ff302e7f49a) --- 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.