Aircraft STC directory
Beechcraft 58A STCs
The Jun 30, 2026 FAA DRS snapshot contains 20 selected supplemental type certificates with status Current whose public applicability data names the Beechcraft 58A. Use it to identify modification scope and recorded holders—not to determine serial-number effectivity, compatibility, installation approval, or commercial availability.
Modification demand surface
Recently revised 58A STCs
Showing the 20 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 freon-type air conditioning system.
FAA holder: Air Comm Corporation
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
Replacement of electrical cowl flap system with manual cowl flap system.
FAA holder: Aero Crafter Products Inc.
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 cockpit sunvisor assemblies.
FAA holder: Rosen Sunvisor Systems LLC
Install Champion SlickSTART magneto booster system.
FAA holder: Champion Aerospace LLC