STC ST04229AT
FAA DRS lists ST04229AT as Current · Amended, held by Avionics Support Group Inc., for Boeing 737-300 Series, Boeing 737-400 Series, and Boeing 737-500 Series, and 5 more aircraft configurations. Recorded change: Installation of an International Communications Group (ICG) IRIDIUM Satellite Communications System. Snapshot dated June 30, 2026.
Recorded modification
What the FAA record covers
Installation of an International Communications Group (ICG) IRIDIUM Satellite Communications System.
ST04229AT 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 737-300 Series, Boeing 737-400 Series, and Boeing 737-500 Series, and 5 more aircraft configurations. Confirm the approved model list, serial effectivity, configuration, and certificate revision.
Buyer checks
Confirm before sourcing
- 01Does it cover the exact Boeing 737-300 Series and Boeing 737-400 Series, and 6 more aircraft configurations 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?
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Bulkhead coax fitting and VHF or FM antenna.
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