Long Term Confidentiality Letter

FCC ID: 2ACTZMSS9019

Cover Letter(s)

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FCCID_4478010

An L3Harris & Thales Company Aviation Communication & Surveillance Systems 19810 North 7*" Avenue Phoenix, AZ 85027—4400 3 October 2019 Federal Communications Commission Authorization & Evaluation Division 7345 Oakland Mills Road Columbia, Maryland 21046 RE: Long—Term Confidentiality Request for ACSS Multi Link Transponder part number 9029000—20000 (Model NGT— 9000D) and 9029000—40000 (Model NGT—9000RD), FCC ID #: 2ACTZMSS9019 ACSS FRN: 0004999231 To Whom It May Concern, This letter serves as an official request for confidentiality under § 0.457(d) and § 0.459 of CFR 47. We have requested that the following documents required to be submitted with this application be permanently withheld from public review. NGT—9000D End Item Assembly Drawing with Parts List, Drawing No. 9029000—20000, Rev J e NGT—9000RD End Item Assembly Drawing with Parts List, Drawing No. 9029000—40000, Rev J e Transponder Panel Mount with Diversity with Parts List, Drawing No. 9200—17000—01, Rev AH & Transponder Remote Mount with Diversity, Drawing No. 9200—17500—01, Rev R * Transponder Remote Mount with Diversity Parts List, Drawing No. PL9200—17500—01, Rev R e Circuit Card Assembly NGT—9000D, Drawing No. 9020020—003, Rev G e Circuit Card Assembly NGT—9000D Schematics, Drawing No. SCH9020020—003 Rev G e Circuit Card Assembly GPS UAT NGT—9000, Drawing No. 9029010—002, Rev E e Circuit Card Assembly GPS UAT NGT—9000 Parts List, Drawing No. PL9029010—002, Rev E e Circuit Card Assembly GPS UAT NGT—9000 Schematics, Drawing No. SCH9029010—002 Rev E e TCAS | Antenna $72—1744 Specifications, Drawing No. $72—1744, Rev — * Lynx Hardware Change Impact Analysis for Power Amplifier & RF Switch Updates, Document No. 8210332—001, Rev A e NGT—9000 Theory of Operations These documents contain detailed system and equipment descriptions and related information about the product, which ACSS considers to be proprietary, confidential, and a custom design and otherwise, would not release to the general Page 1 of 2

public. Since this design is a basis from which future technological products will evolve, ACSS feels that this information would be of benefit to its competitors, and that the disclosure of the information in these documents would give our competitors an unfair advantage in the market. Please contact me if there is any information you may need. Sincerely, ~_| iph. J W Afmgeifaes. ._..A* John Soukup Certification Engineer Aircraft Integration and Certification Aviation Communication & Surveillance Systems Email: John.Soukup@L3Harris.com Phone: 623—445—6716 Page 2 of 2


Document Created: 2019-10-03 15:09:09
Document Modified: 2019-10-03 15:09:09
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