SA04240NYOther aircraft modifications
Installation of a new carbon spinner and back plate.
FAA holder: Soci t DUC t/a DUC Helices Propellers Aerodrome De Villefranche-Tarare
Aircraft STC directory
SOCATA TB 21 STCs
The Jun 30, 2026 FAA DRS snapshot contains 3 selected supplemental type certificates with status Current whose public applicability data names the SOCATA TB 21. Use it to identify modification scope and recorded holders—not to determine serial-number effectivity, compatibility, installation approval, or commercial availability.
3
listed Current at snapshot
1
holder directories
2
modification categories
Oct 23, 2018
latest recorded revision
Modification demand surface
Other aircraft modifications2
Engine and powerplant1
Recorded holders
Recently revised TB 21 STCs
Showing the 3 most recently revised records. Each entry links to the FAA source and separates public approval data from private commercial claims.
View record
SA00156WIOther aircraft modifications
Installation of TKS anti-icing system components, with placard stating 'Flight into known icing conditions is prohibited.'.
FAA holder: CAV Ice Protection Inc
SA10197SCEngine and powerplant
Installation of R134 vapor cycle air conditioning system with an engine driven compressor.
FAA holder: Aurora Aviation