Aircraft STC directory
Beechcraft 56TC STCs
The Jun 30, 2026 FAA DRS snapshot contains 22 selected supplemental type certificates with status Current whose public applicability data names the Beechcraft 56TC. Use it to identify modification scope and recorded holders—not to determine serial-number effectivity, compatibility, installation approval, or commercial availability.
Modification demand surface
Recorded holders
Recently revised 56TC STCs
Showing the 22 most recently revised records. Each entry links to the FAA source and separates public approval data from private commercial claims.
Approval of the FreeFlight FDL-978-TX ADS-B system installed.
FAA holder: FreeFlight Systems
Installation of LED wingtip light kit DSP-KIT-14-003.
FAA holder: D'Shannon Products Ltd.
Installation of Brittain Model NAV Flite IV Model BI-825 system or B5C Model BI826 system.
FAA holder: Brittain Industries, Inc
Installation of Aircraft Components, Inc. Volt and Vac Alert System, P/N 2044-1.
FAA holder: Aircraft Components Inc
Installation of C&D Associates Combustion Heater Kit 13 P/N CD14050K13.
FAA holder: Hartzell Engine Technologies, LLC
Installation of Avidyne Corporation TWX 670 Tactical Weather Detection System P/N 850-00026-000-( ) consisting of Avidyne Processor P/N 700-00033-000-( ), Sensor Systems Inc. Antenna P/N S72-1715-1 with doubler plate P/N S72-171530-1, and Avidyne Mounting Tray P/N 700-00034-000.
FAA holder: Avidyne Corporation
Installation of Clear View Sunvisor.
FAA holder: Vantage Associates Inc
Installation of Brittain Industries, Inc., Model B1-400 Hi-Lo Sensitivity Adaptor.
FAA holder: Brittain Industries, Inc
Installation of the replacement to the OEM landing gear door hinge bushings.
FAA holder: Marsh Brothers Aviation Inc
Installation of Brittain Industries Model B-4A Flight Control System.
FAA holder: Brittain Industries, Inc
Installation of cockpit sunvisor assemblies.
FAA holder: Rosen Sunvisor Systems LLC
Install Champion SlickSTART magneto booster system.
FAA holder: Champion Aerospace LLC