FAA-listed STC holder
Avionics Support Group STCs
The Jun 30, 2026 FAA DRS snapshot lists 3 selected supplemental type certificates with status Current under Avionics Support Group. The records span 11 public aircraft directories and 2 modification categories. This is a research directory, not a claim that any specific kit or service is currently offered.
Modification mix
Aircraft represented
Recently revised records
Showing the 3 most recently revised records. Category directories provide the complete paginated discovery path.
3 displayed records.
Search every indexed record for this holder. The table below contains the recently revised records shown on this page.
| STC and modification | Aircraft / model / TC | Source status and dates | Holder and authority |
|---|---|---|---|
ST12337ATInstallation of Collins Aerospace SAT-2200 Inmarsat Satellite Data Unit (SDU) part number 822-2556-102 or 822-2556-103 SATCOM SDU utilizing existing provisions.Aircraft connectivityView record |
| Current at cited snapshot Application: | FAA holder: Avionics Support Group FAA authority record |
ST11858ATInstallation of a dual FreeFlight Systems RA-6500 Radio Altimeter System.AvionicsView record |
| Current at cited snapshot Application: | FAA holder: Avionics Support Group FAA authority record |
ST04585ATInstallation of a Cobham AVIATOR 200S Inmarsat / Swift Broadband Satellite Communications System.Aircraft connectivityView record |
| Current at cited snapshot Application: | FAA holder: Avionics Support Group FAA authority record |