STC ST04564AT

ST04564AT Archeion Holdings, L.L.C.

9941 West Jessamine Street Miami, FL 33157 Part 25 Federal Aviation Regulations T00001SE Boeing 777-200, -300, -300ER, -200LR Installation of an Avionica, avWiFi System in Server Mode of Operation, with Cybersecurity Compliance and Hosted Application Functionality in accordance with Master Data List 200870-MDL, Revision A, Dated May 31, 2023, or later FAA approved revisions. In Server Mode of Operation the Wi-Fi Radio is disabled and the avWiFi provides Ethernet Wired Network Server Functionality only.

See continuation sheets 3 through 5 See continuation sheets 3 through 5 July 14, 2020 July 19, 2023 for Manager, East Certification Branch Compliance & Airworthiness Division 5

Date o transfer:

ST04564AT 5

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate (Continuation Sheet) Number: ST04564AT Description of Type Design Change (Continued):

For maintenance and inspections of the avWiFi system, apply Archeion Holdings Instructions for Continued Airworthiness 200870-ICA, Revision B, Dated May 31, 2023.

1. Installation of an Avionica Quick Access Recorder (QAR) is required for the Aircraft Interface Device (AID) Function Hosted Application. The QAR reads the aircraft avionics data and sends it to the avWiFi via Ethernet (TCP/IP).

2. Installation of an Avionica Cellular Module (avCM) together with an Avionica Quick Access Recorder (QAR) is required for Secured Internet Access through Cellular Gateway.

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 a product, the holder must give the other person written evidence of that permission.

Certification Basis:

Based on 14 CFR §§ 21.115 and 21.101, and the FAA policy for significant changes in FAA Order 8110.48, the certification basis for parts changed or affected by the change since the reference date of application, July 14, 2020, is based upon 14 CFR Part 25 as amended by Amendment 25-146. Based on Order 8110.48, the certification basis for this modification was determined to be:

a. For parts not changed or affected by the change, the certification basis is shown on TCDS T00001SE.

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate (Continuation Sheet) Number: ST04564AT Certification Basis (Continued):

b. The certification basis for parts changed or affected by the change since the reference date of application, July 14, 2020, is based upon 14 CFR Part 25 as amended by Amendment 25-146.

Regulations at latest amendment 25-0 through 25-146:

25.1 25.29 (b) 25.301

25.303 25.305 (a)(b) 25.307 (a)

25.365 (a)(b)(d) 25.561 25.601

25.603 25.605 (a) 25.607

25.609 25.611 25.613

25.853 (a) 25.869 (a)(1,3) 25.899 (a)(b)(1)

25.981 (a)(3)(d) 25.1301 (a)(1,2,3.4)(b) 25.1309 (a)(b)(d)(e)

25.1351 (a)(1,2) 25.1353 (a)(c) 25.1357 (a)(c)

25.1360 (a) 25.1363 (a)(b) 25.1431 (a)(c)(d)

25.1529 & Appendix H 25.1541 Regulations at an intermediate amendment, or at the amendment level in TCDS T00001SE:

None.

14 CFR Part 26 regulations:

Based on 14 CFR 21.101(g), applicable provisions of 14 CFR Part 26 are included in the certification basis. For any future 14 CFR Part 26 amendments, the holder of this STC must demonstrate compliance with the applicable sections. As of the issuance date of this STC, compliance has been found for the following regulations: 14 CFR

26.11 (Amdt 26-0).

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate (Continuation Sheet) Number: ST04564AT Certification Basis (Continued):

14 CFR Part 34 Regulations:

This modification has been determined to not be an emissions change in accordance with 14 CFR 21.93(c).

14 CFR Part 36 Regulations:

This modification has been determined to be a no acoustic change in accordance with 14 CFR 21.93(b).

Special Conditions with respect to the following subjects apply to this STC:

FAA-2021-0582-F, effective on July 7, 2021, addressed Aircraft Electronic System Security Protection From Unauthorized External Access.

FAA-2021-0583-F, effective on July 7, 2021, addressed Aircraft Electronic System Security Protection From Unauthorized Internal Access.

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