STC ST04518AT

(Continuation Sheet) Number: ST04518AT Issued:

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number: ST04518AT May 19, 2021W This certificate issued to: Archeion Holdings, LLC 9941 W. Jessamine Street Miami, FL 33157 Part 25 of the Federal Aviation Regulations.

Original Product – Type Certificate Number: Make: Boeing Model:

A16WE 737-300/-400/-700/-800/-8/-9 Description of Type Design Change:

Installation of an Avionica, avWiFi wireless system with Cyber Security Compliance and Hosted Application Functionality in accordance with Master Data List 200450-MDL Revision C, dated May 05, 2021 or later FAA approved revisions. The system provides 4 modes of operation installations: 1) Cabin Wireless LAN Unit (CWLU) mode provides secure device to device Wi-Fi connectivity in the aircraft cabin during all phases of flight; 2) Terminal Wireless LAN Unit (TWLU) mode provides Wi-Fi connectivity to the Gate Terminal Wi-Fi Router on the ground via an external antenna; 3) Combined mode (both CWLU and TWLU); 4) Server mode (no Wi-Fi radio transmission).

Cabin Wi-Fi CWLU installation includes a flight deck Wi-Fi ON/OFF guarded toggle switch and an aviONS connect switch to allow a pairing window for PEDs/EFBs to wirelessly connect with the avWiFi System. All avWiFi installations may include a Data Load switch and Data Load relay to support the avWiFi Staged Data Loader Hosted Application when installed. The avWiFi unit is installed in one of the following location configurations: On the avRDC; avRDC MAX Quick Access Recorder (QAR); near the MK-II or MK-III miniQAR;

in the cabin; in the Avionics Bay.

1. FAA approved Airplane Flight Manual Supplement for Archeion Holdings LLC, 200450-AFMS, Revision IR, dated November 03, 2020, or later FAA approved revisions, is a required part of this STC.

Date of Application: March 25, 2020 Date Reissued:

Date of Issuance: May 19, 2021 Date Amended:

By Direction of the Administrator Signature Title Christina Underwood, Manager Atlanta Aircraft Certification Office

FAA Form 8110-2 (5/14) Page 1 of 4

(Continuation Sheet) Number: ST04518AT Issued: May 19, 2021 United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate

To (Name and address of transferee) From (Name and address of grantor) Extent of Authority (if licensing agreement):

FAA Form 8110-2 (5/14) Page 2 of 4

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate (Continuation Sheet) Number: ST04518AT Issued: May 19, 2021 Limitations and Conditions (Continued):

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

 Special Conditions No. 25-774-SC, effective on October 23, 2020, addressed Aircraft Electronic System Security Protection From Unauthorized Internal Access.

 Special Conditions No. 25-775-SC, effective on October 23, 2020, addressed Aircraft Electronic System Security Protection From Unauthorized External Access.

3. For maintenance and inspections of an avWiFi System, apply Archeion Holdings Instructions for Continued Airworthiness 200450-ICA Revision B, dated January 13, 2021, or later FAA accepted revisions, as applicable to the aircraft type listed in this STC.

4. An Avionica Quick Access Recorder (QAR), installed by other STC’s, is required for the ARINC 834 Aircraft Interface Function & Staged Data Loader Hosted Applications. The QAR Data Concentrator reads the aircraft avionics data (429, 717, and discretes) and sends it to the avWiFi via Ethernet (TCP/IP).

5. An Avionica satLINK Iridium SATCOM System, installed by other STC’s, is required for the Voice Over Internet Protocol (VoIP) Exchange Hosted Application. The satLINK System supports direct ground calls to be made on a dedicated cabin satellite channel using the Avionica satLINK Mobile application.

6. An Avionica Cellular Module (avCM) installed by other STC’s is required for Secured Internet Access through Cellular Gateway.

7. A Inmarsat SATCOM System installed by other TC’s or STC’s is required for Secured Internet Access through Cross-connect Ethernet.

This approval should not be extended to other aircraft of this model on which other previously approved modifications are incorporated, unless it is determined by the installer that interrelationship between this change and any other previously approved modifications will produce no adverse effect upon the airworthiness of that airplane. 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.

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, February 23, 2016, is based upon 14 CFR Part 25 as amended by Amendment 25-141. Based on Order 8110.48, the certification basis for this modification was determined to be:

Regulations at the latest amendment 25-0 through 25-146 §§25.1. Orig. §§25.605 (a), Amdt. 25-46 §§25.1309 (a)(b)(d)(e)(f), Amdt. 25-123 §§25.21 (a)(1), Amdt. 25-140 §§25.607. Amdt. 25-23 §§25.1351 (a)(1,2), Amdt. 25-72 §§25.251, Amdt. 25-77 §§25.609, Orig. §§25.1353 (a)(c), Amdt. 25-123 §§25.301, Amdt. 25-23 §§25.611, Amdt. 25-123 §§25.1357 (a)(c), Amdt. 25-123 §§25.303, Amdt. 25-23 §§25.613, Amdt. 25-112 §§25.1360 (a), Amdt. 25-123 §§25 .305 (a)(b), Amdt. 25-86 §§25.631, Amdt. 25-23 §§25.1363 (a)(b), Orig.

§§25.307 (a), Amdt. 25-139 §§25.771 (a), Amdt. 25-4 §§25.1381 (a), Amdt. 25-72 §§25.365 (a)(b)(d), Amdt. 25-87 §§25.787 (a)(b), Amdt. 25-139 §§25.1419 (a), Amdt. 25-129 §§25.561, Amdt. 25-91 §§25.789 (a), Amdt. 25-46 §§25.1431 (a)(c)(d), Amdt. 25-113 §§25.571 (a)(b), Amdt. 25-132 §§25.869 (a)(1,3), Amdt. 25-123 §§25.1529, Amdt. 25-54 §§25.581, Amdt. 25-23 §§25.899 (a)(1,3)(b), Amdt. 25-123 §§25.1541, Orig.

§§25.601, Orig. §§25.981 (a)(3)(d), Amdt. 25-146 §§25.1581, Amdt. 25-72 §§25.603, Amdt. 25-46 §§25.1301 (a)(1,2,3.4), Amdt. 25-123 §§25.1585 (a)(b), Amdt. 25- 105 Appendix H Possession of this Supp lemental Type Certificate (STC) document by persons other than the STC holder does not constitute rights to the design data nor to alter an aircraft, air craft engine, or propeller.

FAA Form 8110-2 (5/14) Page 3 of 4

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate (Continuation Sheet) Number: ST04518AT Issued: May 19, 2021 Certification Basis (cont’d):

EASA regulations: Based on CS §§25.1319(a)(b)(Amdt. 25), equi pment, systems, and network information cyber security protection has been found per RTCA DO-326A Airworthiness Security Process Specification and RTCA DO-356A Airworthiness Security Methods and Considerations.

14 CFR Part 36 regulations: Based on 14 CFR §§21.93(b)(1)(Amdt. 21-97), this modification has been substantiated to be a no acoustic change.

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 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), 26.47 (Amdt 26-1).

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FAA Form 8110-2 (5/14) Page 4 of 4