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No. of STCs: 3

STC Holder: Avionics Support Group 13155 SW 132 Avenue, Miami, FL 33186		If you are an STC Holder, Contact us to have your company added here!
STC No.: ST11858AT	Status: Current	App Date: 01/27/2023	Rev Date: 01/07/2025
Description: Installation of a dual FreeFlight Systems RA-6500 Radio Altimeter System
TC Nos.: A16WE
Models: The Boeing Company737-300 Series, 737-400 Series, 737-500 Series
ACO: AIR-750: East Certification Branch ATL

STC Holder: Avionics Support Group 13155 SW 132 Avenue, Miami, FL 33186		If you are an STC Holder, Contact us to have your company added here!
STC No.: ST11859AT	Status: Current	App Date: 03/04/2021	Rev Date:
Description: Upgrade of RNP Capability Utilizing Collins Aerospace GPS-4000S Receivers
TC Nos.: A16WE
Models: The Boeing Company737-300 Series, 737-400 Series, 737-500 Series
ACO: AIR-750: East Certification Branch ATL

STC Holder: Avionics Support Group 13155 SW 132 Avenue Miami, FL 33186		If you are an STC Holder, Contact us to have your company added here!
STC No.: ST12337AT	Status: Current	App Date: 12/11/2024	Rev Date: 03/23/2026
Description: Installation of Collins Aerospace SAT-2200 Inmarsat Satellite Data Unit (SDU) part number 822-2556-102 or 822-2556-103 SATCOM SDU utilizing existing provisions
TC Nos.: A20WE
Models: The Boeing Company747-8 Series, 747-8F Series
ACO: AIR-750: East Certification Branch ATL