STC ST03509AT
FAA DRS lists ST03509AT as Current · Issued, held by Avionics Group Inc., for Boeing 727 Series. Recorded change: Installation of Mode S Elementary Surveillance System. Snapshot dated June 30, 2026.
FAA-listed holder
Aircraft configurations
1
FAA revision date
FAA status
Current · Issued
Recorded modification
What the FAA record covers
ST03509AT 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 727 Series. Confirm the approved model list, serial effectivity, configuration, and certificate revision.
Buyer checks
Confirm before sourcing
Related other aircraft modifications STCs
Installation of number 3 Sperry Gyro P/N 2587335-12.
FAA holder: ABX Air Incorporated
Remote Operator Two (Remote OP2) Station ground capabilities.
FAA holder: L-3 Communications Integrated Systems LP