SA800EAOther aircraft modifications
Installation of Whelen Anti-Collision, Position, or Anti-Collision/Position Light System, and applicable associated power supplies.
FAA holder: Whelen Aerospace Technologies
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.
22
listed Current at snapshot
12
holder directories
7
modification categories
Jun 12, 2026
latest recorded revision
Modification demand surface
Other aircraft modifications13
Avionics3
Aircraft connectivity2
Fuel systems1
Landing gear and brakes1
Flight controls1
Propellers1
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.
View record
SA02386AKOther aircraft modifications
Replacement of existing landing and/or taxi light reflector and bulbs with Light Emitting Diode (LED) lighting systems.
FAA holder: AeroLED's Holding LLC
SA02426AKAvionics
Approval of the FreeFlight FDL-978-TX ADS-B system installed.
FAA holder: FreeFlight Systems
SA04134CHOther aircraft modifications
Installation of LED wingtip light kit DSP-KIT-14-003.
FAA holder: D'Shannon Products Ltd.
SA4553SWOther aircraft modifications
Installation of Brittain Model NAV Flite IV Model BI-825 system or B5C Model BI826 system.
FAA holder: Brittain Industries, Inc
SA01816WIAvionics
Installation of an ADS-B compliant system, comprised of a Garmin GTX 330 Mode S Transponder and a Free Flight 1201 GPS receiver.
FAA holder: Trego Dugan Aviation
SA11172SCAircraft connectivity
Installation of an ADS600-B Automatic Dependent Surveillance-Broadcast (ADS-B) Universal Access Transceiver (UAT) and Global Positioning System (GPS) antenna.
FAA holder: NavWorx Inc
SA00149BOOther aircraft modifications
Installation of Aircraft Components, Inc. Volt and Vac Alert System, P/N 2044-1.
FAA holder: Aircraft Components Inc
SA01945CHOther aircraft modifications
Installation of C&D Associates Combustion Heater Kit 13 P/N CD14050K13.
FAA holder: Hartzell Engine Technologies, LLC
SA03658ATOther aircraft modifications
Installation of a Voice Alert System to incorporate as primary annunciators for stall and gear warnings.
FAA holder: Aircraft Components Inc
SA00269BOAircraft connectivity
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
SA00789LAOther aircraft modifications
Installation of Clear View Sunvisor.
FAA holder: Vantage Associates Inc
SA662WEOther aircraft modifications
Installation of Brittain Industries, Inc., Model B1-400 Hi-Lo Sensitivity Adaptor.
FAA holder: Brittain Industries, Inc
SA03342NYLanding gear and brakes
Installation of the replacement to the OEM landing gear door hinge bushings.
FAA holder: Marsh Brothers Aviation Inc
SA1585WEFlight controls
Installation of Brittain Industries Model B-4A Flight Control System.
FAA holder: Brittain Industries, Inc
SA3599NMOther aircraft modifications
Installation of cockpit sunvisor assemblies.
FAA holder: Rosen Sunvisor Systems LLC
SA00290BOAvionics
Installation of Avidyne Corporation Part Number 700-00167-XXX Multi-Function Display and Mounting Tray Assembly Part Number 700-00168-XXX.
FAA holder: Avidyne Corporation
SA593CH (PAGE 2)Other aircraft modifications
Install Champion SlickSTART magneto booster system.
FAA holder: Champion Aerospace LLC
SA01270NYPropellers
Installation of Lycoming IO 540-K1B5 engines and Hartzell Propeller Hub, HC-F3YR-2U with blades, FC 8468-6R and Propeller Governor, F-6-11A.
FAA holder: Bazet Randolph August III
SA8403SW-DOther aircraft modifications
Installation of S-TEC System 55/55X Two Axis Automatic Flight Guidance System, Model ST-549.
FAA holder: S-TEC Corporation
SA09440AC-DOther aircraft modifications
Installation of S-TEC System 40X/50X single and two axis automatic flight guidance systems, Model ST-786-40X/50X.
FAA holder: S-TEC Corporation