Aircraft STC directory
Textron Aviation 177B STCs
The Jun 30, 2026 FAA DRS snapshot contains 7 selected supplemental type certificates with status Current whose public applicability data names the Textron Aviation 177B. Use it to identify modification scope and recorded holders—not to determine serial-number effectivity, compatibility, installation approval, or commercial availability.
7
listed Current at snapshot
4
holder directories
4
modification categories
Dec 16, 2022
latest recorded revision
Modification demand surface
Other aircraft modifications2
Aircraft structures2
Propellers2
Engine and powerplant1
Recently revised 177B STCs
Showing the 7 most recently revised records. Each entry links to the FAA source and separates public approval data from private commercial claims.
SA1060CEAircraft structures
Installation of wing leading edge cuffs and vortex generators on vertical stabilizer.
FAA holder: Curry Aviation LLC
SA01827WIOther aircraft modifications
Installation of LED Position Lights.
FAA holder: Aero-Mach Wilco LLC
SA1921SWEngine and powerplant
Installation of Exhaust System Muffler Assembly.
FAA holder: Wall Colmonoy Corp
SA04200CHPropellers
Installation of Hartzell propeller model HC-C2YR-IBFP/F7894.
FAA holder: Hartzell Propeller Inc
SA03699NYPropellers
The installation of MT-Propeller Entwicklung GmbH's Model# MTV-9-B/198-52 3-Blade constant speed propeller.
FAA holder: MT- Propeller Entwicklung GmbH