Aircraft STC directory
Beechcraft 35-B33 STCs
The Jun 30, 2026 FAA DRS snapshot contains 52 selected supplemental type certificates with status Current whose public applicability data names the Beechcraft 35-B33. 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 35-B33 STCs
Showing the 52 most recently revised records. Each entry links to the FAA source and separates public approval data from private commercial claims.
Installation of Main Landing Gear Auxiliary Landing Lights.
FAA holder: Gallagher Aviation LLC
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 Hartzell Model PHC-(C,L)3YF-1RF/F8068 three bladed propeller.
FAA holder: D'Shannon Products Ltd.
Installation of Continental IO-470-N engine and Flottorp F12A-3/8400-2 propeller.
FAA holder: D'Shannon Products Ltd.
Installation of alternator and voltage regulator.
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/Beech Model BSA-2 Stability Augmentation System.
FAA holder: Brittain Industries, Inc
Installation of Brittain/Beech Pneumatic Pitch Assist Model PC-1.
FAA holder: Brittain Industries, Inc
Installation of Beech Pneumatic Pitch Assist, Model PC-1.
FAA holder: Brittain Industries, Inc
Installation of Beech Pneumatic Pitch Assist Model PC-1.
FAA holder: Brittain Industries, Inc
Installation of Beech Pneumatic Pitch Assist Model PC-1.
FAA holder: Brittain Industries, Inc
Installation of Brittain Industries, Inc., Model B1-400 Hi-Lo Sensitivity Adaptor.
FAA holder: Brittain Industries, Inc
Installation of Brittain/Beech Model BSA-2 Stability Augmentation System.
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/Beechcraft Model B-4 Flight Control System.
FAA holder: Brittain Industries, Inc
Installation of Brittain Industries Model BSA-3 Stability Augmentation System.
FAA holder: Brittain Industries, Inc
Installation of Brittain Model BSA-4 Stability Augmentation System.
FAA holder: Brittain Industries, Inc
Installation of Brittain Industries Model BSA-4 Flight Control System.
FAA holder: Brittain Industries, Inc
Installation of an Electromech EM6025 Heat Duct Blower.
FAA holder: Aerospace Systems Inc
Installation of cockpit sunvisor assemblies.
FAA holder: Rosen Sunvisor Systems LLC
Installation of Brittain Industries Model B-4A Flight Control System.
FAA holder: Brittain Industries, Inc
Installation of Brittain Model B-4AP Flight Control System.
FAA holder: Brittain Industries, Inc
Installation of Brittain Industries Model B-5P flight control system.
FAA holder: Brittain Industries, Inc
Installation of Brittain Industries B-5P Flight Control System.
FAA holder: Brittain Industries, Inc
Installation of Brittain Industries Models B-5, NAV-2B and B2C Flight Control Systems.
FAA holder: Brittain Industries, Inc
Installation of Garmin GTS 800, GTS 820 or GTS 850 Traffic System.
FAA holder: Garmin International Inc
Install Champion SlickSTART magneto booster system.
FAA holder: Champion Aerospace LLC
Precise Flight Inc. Pulselite Control System.
FAA holder: Precise Flight Inc
Installation of acrylic window liners.
FAA holder: G & D Aero Products Inc.
Installation of Teledyne Continental Motors fuel injected engine.
FAA holder: Hammock Aviation Services, Inc.
Installation of vertical tail floodlights on upper surfaces of the horizontal stabilizer.
FAA holder: DeVore Aviation Corporation of America, a New Mexico Corporation