FAA-listed STC holder
Twin Commander Aircraft LLC STCs
The Jun 30, 2026 FAA DRS snapshot lists 6 selected supplemental type certificates with status Current under Twin Commander Aircraft LLC. The records span 19 public aircraft directories and 4 modification categories. This is a research directory, not a claim that any specific kit or service is currently offered.
Aircraft represented
Recently revised records
Showing the 6 most recently revised records. Category directories provide the complete paginated discovery path.
6 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 |
|---|---|---|---|
SA01762SEFabrication and Installation of Fuel Quantity Indication System.Fuel systemsView record |
| Current at cited snapshot Application: | FAA holder: Twin Commander Aircraft LLC FAA authority record |
SA09247ACReplace the engine exhaust ejector assembly, P/N 260042-55 LH & P/N 260042-56 RH, with a heavier gauge ejector which has a modified fairing.Engine and powerplantView record |
| Current at cited snapshot Application: | FAA holder: Twin Commander Aircraft LLC FAA authority record |
SA236CHInstallation of Allied Signal, Inc., (Garrett) TPE331-10T series engines (-512K, -515K, or -516K in the 690A and 690B; -511K or -513K in the 690C and 690D) and related changes.Other aircraft modificationsView record |
| Current at cited snapshot Application: | FAA holder: Twin Commander Aircraft LLC FAA authority record |
SA260SWInstallation of a Protective Device in the ground side of the Battery and External Power relays.Electrical systemsView record |
| Current at cited snapshot Application: | FAA holder: Twin Commander Aircraft LLC FAA authority record |
SA546GLInstallation of Hartzell Model HC-B3TN-5FL/LT10673 or LT10673B propellers.Other aircraft modificationsView record |
| Current at cited snapshot Application: | FAA holder: Twin Commander Aircraft LLC FAA authority record |
SA710SWInstallation of United Aircraft of Canada Limited PT6A-20 engine.Engine and powerplantView record |
| Current at cited snapshot Application: | FAA holder: Twin Commander Aircraft LLC FAA authority record |