# STC ST04430AT - Type: Supplemental type certificate - Status: Current, Issued - Holder: Southeast Aerospace Inc, United States - Description: Installation of Cobham Aviator 300D Inmarsat Satellite Communication System to provide means for voice communication using the Plain Old Telephone Service (POTS), and provides backup for the VHF-3 radio as the secondary media for ACARS. - Applied: January 7, 2016 - Status date: June 28, 2018 - Product: Aircraft, Large Airplane - Certification basis: Part 21, Part 25, Part 26 - Data sheets: [TCDS A16WE](https://openairdocs.org/tcds/A16WE) - Certificate PDF: https://openairdocs.org/files/sha256/9b/b3/9bb38da750262cebb04cd6a98d63d144d72ce8974746ab4ea01f9ed651cd019d - FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/89C90E9A5A0E8711862582CC0058D811.0001 - DRS record last changed: December 6, 2025 - Page: https://openairdocs.org/stc/ST04430AT ## ADs that name it (0) None. ## Approved models (4) - The Boeing Company 737-600 Series ([TCDS A16WE](https://openairdocs.org/tcds/A16WE)) - The Boeing Company 737-700 Series ([TCDS A16WE](https://openairdocs.org/tcds/A16WE)) - The Boeing Company 737-800 Series ([TCDS A16WE](https://openairdocs.org/tcds/A16WE)) - The Boeing Company 737-900 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 Possession of this Su pplemental Type Certificate (STC) document by persons other than the STC holder does not constitu te rights to the design data nor to alter an aircraft, aircraft engine, or propeller. The STC’s supporting documentation (drawings, instructions, specifications, flight manual supplements, etc.) is the property of the ST C holder. FAA Form 8110-2 (5/14) Page 1 of 3 Number: ST04430AT This certificate issued to: Southeast Aerospace Incorporated 1399 General Aviation Drive Melbourne, FL 32935 Part 25 of the Federal Aviation Regulations. Original Product – Type Certificate Number: A16WE Make: Boeing Model: 737-600/-700/-800/-900 series Description of Type Design Change: Installation of Cobham Aviator 300D Inmarsat Satellite Communication System to provide means for voice communication using the Plain Old Telephone Service (POTS), and provides backup for the VHF-3 radio as the secondary media for ACARS. The Inmarsat Swift Broadband services including data, voice and fax communication for direct satellite communication in the Inmarsat Broadband Global Area Network (BGAN), using the Inmarsat 4th generation satellites. The Aviator 300D system is a single carrier system intended for crew use only. Installation will be in accordance with Southeast Aerospace Master Drawing List 15008-000-001, Revision C, dated June 11, 2018 or later FAA approved revisions. Limitations and Conditions: "A certified aircraft installation of Cobham Aviator IGA-5001 electronically-steered, phased-array intermediate gain antenna, meeting the Minimum Operational Performance Standards for the Geosynchronous Orbit Aeronautical Mobile Satellite Service, is a prerequisite to complete this system integration and function. This SATCOM system is not certified for Air Traffic Service (ATS) communication or navigation.”... Date of Application: January 7, 2016 Date Reissued: Date of Issuance: June 28, 2018 Date Amended: Signature Title Christina M. Underwood, Manager, Atlanta ACO Branch FAA Form 8110-2 (5/14) Page 2 of 3 Transfer the ownership of Supplemental Type Certificate Number: ST04430AT To (Name and address of transferee) From (Name and address of grantor) United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate (Continuation Sheet) Number: ST04430AT FAA Form 8110-2 (5/14) Page 3 of 3 Limitations and Conditions (Continued): "FAA approved Airplane Flight Manual Supplement, Southeast Aerospace Inc. 15008- 000-020, Revision (-), dated June 28, 2018, or later FAA approved revisions, is a required part of this STC. For maintenance and inspections, apply Southeast Aerospace Inc Instructions for Continued Airworthiness 15008-000-030, Revision A, dated April 19, 2018, or later FAA accepted revisions. 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 the 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 this modification is as follows: a. The type certification basis for Boeing 737 series airplanes is shown on TCDS A16WE for parts not changed or affected by the change. b. The certification basis for parts changed or affected by the change since the reference date of application, April 7, 2016, is based upon 14 CFR Part 25 as amended by Amendment 25-91. Based on Order 8110.48, the certification basis for this modification was determined to be: Regulations at the latest amendment 25-0 through 25-91 §§25.21 (a)(1), Amdt. 25-72 §§25.609 (a), Orig. §§25.1309 (b)(d)(g), Amdt. 25-41 §§25.301 (a)(b)(c), Amdt. 25-23 §§25.613 (a)(b), Amdt. 25-72 §§25.1322 (c)(d), Amdt. 25-38 §§25.303, Amdt. 25-23 §§25.619 (a)(b)(c), Amdt. 25-23 §§25.1351 (a)(1), Amdt. 25-72 §§25.305 (a)(b), Amdt. 25-86 §§25.625 (a)(b), Amdt. 25-72 §§25.1353 (a)(b), Amdt. 25-42 §§25.307 (a), Amdt. 25-72 §§25.773 (a)(2), Amdt. 25-72 §§25.1357 (a)(c), Orig. §§25.561 (a)(b), Amdt. 25-91 §§25.777 (a), Amdt. 25-46 §§25.1431 (a)(c), Orig §§25.581 (a), Amdt. 25-23 §§25.789 (a), Amdt. 25-46 §§25.1529, Amdt. 25-54 §§25.601, Orig. §§25.853 (a), Amdt. 25-83 §§25.1555 (a), Orig §§25.603 (a)(b)(c), Amdt. 25-46 §§25.869 (a)(4), Amdt. 25-72 §§25.1581 (a)(2), Amdt. 25-72. §§25.605 (a), Amdt. 25-46 §§25.1301 (a)(b)(c)(d), Orig. §§25.1583 (h), Amdt. 25-72. 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). --------------------------END--------------------------- ## Every issue (1) - June 28, 2018: Issued, Current. [certificate](https://openairdocs.org/files/sha256/9b/b3/9bb38da750262cebb04cd6a98d63d144d72ce8974746ab4ea01f9ed651cd019d) --- From OpenAirDocs.org, an independent open copy of FAA and NTSB data. Only the Federal Register edition on govinfo.gov is the official legal text of an AD.