STC SA1728GL
FAA DRS lists SA1728GL as Current · Surrendered, held by GTE Airfone Incorporated, for Boeing 747-400 Series. Recorded change: Installation of an air to ground public telephone communication system(Seatfone). STC SA1725GL must be installed. Snapshot dated June 30, 2026.
Recorded modification
What the FAA record covers
Installation of an air to ground public telephone communication system(Seatfone). STC SA1725GL must be installed.
SA1728GL identifies the approval, recorded holder, named aircraft, and modification scope. It does not confirm kit availability, serial-number effectivity, data rights, price, or installation authority.
Applicability
Aircraft named in FAA DRS
Named aircraft: Boeing 747-400 Series. Confirm the approved model list, serial effectivity, configuration, and certificate revision.
Buyer checks
Confirm before sourcing
- 01Does it cover the exact Boeing 747-400 Series model, serial range, and configuration?
- 02Which antenna, radome, LRUs, and service assumptions are included?
- 03Who can legally supply the design data, kit, instructions, and ICAs?
- 04What parts, labor, conformity, and return-to-service work are excluded?
Related aircraft connectivity STCs
Installation of the Collins SAT-906 Satellite Communication (SATCOM) High-gain, Multi-channel, System for cabin telephone and flight-deck voice, and data communications, in accordance with United Air Lines, DAS-1-WE, Approved Drawing List No. 00004 dated May 15, 1995, or later FAA approved revisions.
FAA holder: United Airlines Inc
Modifies the aircraft to install an Aeronautical Telecommunications Network (ATN) system, consisting of a Communications Management Unit and a modified Satellite Data Unit, to send nonoperational reports through SATCOM for ground evaluation. The installation is in accordance with DAS-1-WE Approved United Air Lines Drawing List No. 00017 dated March 15, 1996, or later FAA approved revisions.
FAA holder: United Airlines Inc
Installation of a Thrane & Thrane Aero-HSD+ satellite communications (SATCOM) system per Master Data List document AM0254-DL02-00, Revision , dated October 13, 2011 or later FAA approved revision.
FAA holder: AeroMech Incorporated
Upgrade Thrane and Thrane Swift 64 Aero HSD+ Satellite Communication System to Swift Broadband Aviator 700 Satellite Communication System with Wireless Local Area Network (WLAN). Data Required: (1) Duncan Aviation Inc., Document List No 110601003, Revision A, dated October 21, 2011, (2) FAA Approved Airplane Flight Manual Supplement, Duncan Aviation Inc., Document No., 110601008, Revision A, dated October 21, 2011, or later FAA Approved Revisions to (1) or (2).
FAA holder: Duncan Aviation Inc