# STC ST11140SC - Type: Supplemental type certificate - Status: Current, Issued - Holder: Plane Antennas and Security Systems, United States - Description: Installation of Tailwind 550 Antenna - Applied: May 30, 2012 - Status date: July 2, 2013 - Product: Aircraft, Large Airplane - Certification basis: Part 21, Part 25 - Data sheets: [TCDS A16WE](https://openairdocs.org/tcds/A16WE) - Certificate PDF: https://openairdocs.org/files/sha256/96/54/965456c4f33e6e90626201ddc78dd5cc1500e67dd8dfb6df14eaafbe9d01fb58 - FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/CE4AA288F710BE1986257BCE006BB268.0001 - DRS record last changed: December 6, 2025 - Page: https://openairdocs.org/stc/ST11140SC ## ADs that name it (0) None. ## Approved models (1) - The Boeing Company 737-900ER 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. United States of America Department of Transportation - Federal Aviation Administration Supplemental Type Certificate Project Number ST9645SC-T RLR N umber: ST11140SC This certificate issued to Plane Antennas and Security Systems 402 Park Place Drive Hewitt, TX 76643 Part 25 of the Federal Aviation R egulations. Original Product Type Certific ate N umber : A16WE M ake : Boeing M odel : 737-900ER Description of Type Design Change: Installation of Tailwind 550 Antenna on a Boeing 737-900ER Series Aircraft, in accordance with the Plane Antennas and Security Systems Master Data List, Document No. P-TW-55001-MD-01, dated April 12, 2013, or later, FAA-approved revision. Limitations and Conditions : The installer must determine whether this design change is compatible with previously approved modifications. 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: May 30, 2012 Date reissued: Date of issuance: July 2, 2013 Date amended: B y direction of the A dministrator (Signature) S. Frances Cox Manager, Special Certification Office Southwest Region (Title) FAA FORM 8110-2-1(10-69) PAGE 2 of 3 PAGES 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): FAA FORM 8110-2-1(10-69) PAGE 3 of 3 PAGES United States of America Department of Transportation - Federal Aviation Administration Supplemental Type Certificate (Continuation Sheet) N umber ST11140SC Date of Issuance: July 2, 2013 Limitations and Conditions (Continued): The Certification Basis for this installation is per Type Certificate Data Sheet A16WE Rev. 50, plus the following: Regulations that meet amendment level 25-126: 25.901 This STC incorporates compliance to the following regulation by the time-limited exemption 10814 (time limit is no later than 2 July 2014): 14 CFR 25.571(e) (1) -- END -- ## Every issue (1) - July 2, 2013: Issued, Current. [certificate](https://openairdocs.org/files/sha256/96/54/965456c4f33e6e90626201ddc78dd5cc1500e67dd8dfb6df14eaafbe9d01fb58) --- 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.