STC ST11121SC
FAA DRS lists ST11121SC as Current · Amended, held by Delta G Design Inc, for Boeing 737-300 Series, Boeing 737-400 Series, and Boeing 737-500 Series, and 6 more aircraft configurations. Recorded change: Installation of a AMT-3800 Antenna or HGA-7001 Antenna (structural provisions only). Snapshot dated June 30, 2026.
Recorded modification
What the FAA record covers
ST11121SC 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 6 more aircraft configurations. Confirm the approved model list, serial effectivity, configuration, and certificate revision.
Buyer checks
Confirm before sourcing
Related aircraft connectivity STCs
Modification of an existing Rockwell Collins Global Landing Unit (GLU) Multi-Mode\nReceiver (MMR), Sensor Systems Inc. GPS Antenna and ACSS Transponder Installation.
FAA holder: Rockwell International Collins Commercial Avionics
Installation and activation of KA-Band Satcom.
FAA holder: EAD Aerospace