STC ST03458AT
FAA DRS lists ST03458AT as Current · Reissued, held by Air Data Consulting Group, Inc., for Boeing 737-300 Series, Boeing 737-400 Series, and Boeing 737-500 Series. Recorded change: Installation upgrade to replace the existing system with either Honeywell or Collins Dual Enhanced Mode S Transponder system. Snapshot dated June 30, 2026.
Recorded modification
What the FAA record covers
Installation upgrade to replace the existing system with either Honeywell or Collins Dual Enhanced Mode S Transponder system.
ST03458AT 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. 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 1 more aircraft configuration model, serial range, and configuration?
- 02Which part numbers, software versions, interfaces, and manual changes apply?
- 03Who can legally supply the design data, kit, instructions, and ICAs?
- 04What parts, labor, conformity, and return-to-service work are excluded?
Related avionics STCs
Incorporation of a Universal Avionics Dual UNS-1D FMS on Learjet model 55B/55C.
FAA holder: Learjet Inc
Installation of complete executive interior, avionics, electrical equipment and vacuum waste installation in accordance with Raytheon E-Systems Waco Drawing List 95140004-000, Section 2.1 Rev A, dtd 12/17/96 or later FAA approved revision. Limited only to installation made in Boeing 747SP serial number 21649.
FAA holder: L-3 Communications Integrated Systems LP
Incorporation of a Universal Avionics CVR-120 cockpit voice recorder.
FAA holder: Learjet Inc