Installation of Garmin GFC 500 Autopilot with Electronic Stability and Protection.
FAA holder: Garmin International Inc.
Aircraft STC directory
Piper Aircraft PA-24-250 STCs
The cited FAA DRS record snapshots contain 48 selected supplemental type certificates with status Current whose public applicability data names the Piper Aircraft PA-24-250. Use it to identify modification scope and recorded holders—not to determine serial-number effectivity, compatibility, installation approval, or commercial availability.
48
listed Current at snapshot
27
holder directories
11
modification categories
Feb 13, 2026
latest recorded revision
Modification demand surface
Recorded holders
Brittain Industries, Inc5Garmin International Inc3Whelen Aerospace Technologies3CiES Inc.2Honeywell International Inc2S-TEC Corporation2Sierra Industries Ltd.2Aeronautical Design Service Pty Ltd The2PHILL-Air Inc.2Great Lakes Aero Products Inc2J P Instruments2Alcor LLC1B & C Specialty Products Inc.1McFarlane Aviation LLC1Avidyne Corporation1Knots 2U Ltd.1Evans & Bailey Holdings LLC1Alpha Aviation Inc1MT- Propeller Entwicklung GmbH1D'Shannon Products Ltd.1
Recently revised PA-24-250 STCs
Showing the 48 most recently revised records. Each entry links to the FAA source and separates public approval data from private commercial claims.
View record
Installation of Dynon EFIS-D10A EAA sales kit part number 102778-000.
FAA holder: Dynon Avionics Inc.
Installation of B & C Specialty Products BC100-1 battery.
FAA holder: B & C Specialty Products Inc
Installation of stabilizer trim handle and cabin door handle.
FAA holder: McFarlane Aviation LLC
Installation of the Integrated Back-up Battery System (IBBS).
FAA holder: TCW Technologies LLC
KFD 900 Primary Flight Display System Additional Functions.
FAA holder: Honeywell International Inc
Installation of a composite WHOLLEY COWL.
FAA holder: Whelen Aerospace Technologies
Installation of Electroair Back Up Battery Panel System Control.
FAA holder: Electroair Aquisition Corp.
Installation of a SkyTrax100B UAT receiver.
FAA holder: Avidyne Corporation
Installation of an S-TEC 01326 Digital Flight Control System (DFCS).
FAA holder: S-TEC Corporation
Installation of the Honeywell KFD 840 Primary Flight Display System.
FAA holder: Honeywell International Inc
Installation of 'Speed Spats' main landing gear fairings.
FAA holder: Whelen Aerospace Technologies
Installation of Garmin G600 Primary Flight Display (PFD) and Multifunction Display (MFD) System.
FAA holder: Garmin International Inc.
Installation of positive flap retraction system.
FAA holder: Sierra Industries Ltd.
Installation of a FreeFlight 1201 GPS receiver, with an Avidyne AXP340 Transponder, for ADS-B Out.
FAA holder: Trego Dugan Aviation
Installation of fiberglass wing tips.
FAA holder: Evans & Bailey Holdings LLC
Installation of a Three Point Torso Restraint System.
FAA holder: Alpha Aviation Inc
Installation of the Model MTV-9-B/188-50 constant speed 3-bladed propeller.
FAA holder: MT- Propeller Entwicklung GmbH
Installation of Garmin GTS 825 (TAS) or GTS 855 (TCAS I) Traffic System.
FAA holder: Garmin International Inc
Installation of Brittain Pneumatic Pitch Assist Model PC-1.
FAA holder: Brittain Industries, Inc
Installation of The Aeronautical Design Service (ADS) part number 1008020828 Stabilator Horn.
FAA holder: Aeronautical Design Service Pty Ltd The
Installation of Brittain Industries B-4A Flight Control System.
FAA holder: Brittain Industries, Inc
Installation of Brittain Industries, Inc. Model B-11, B2C or BSS Flight Control System.
FAA holder: Brittain Industries, Inc
Remove existing windshield and install single piece windshield.
FAA holder: D'Shannon Products Ltd.
Replacement of the Main Landing Gear Housing.
FAA holder: Aeronautical Design Service Pty Ltd The
Installation of shoulder harness for two front seats.
FAA holder: PHILL-Air Inc.
Installation of forward windows, P/N's W-, W/T-, WG-2058-187 or-250 and W-, W/G-20599-187 or -250.
FAA holder: Great Lakes Aero Products Inc
Installation of one piece windshield.
FAA holder: Great Lakes Aero Products Inc
Installation of Oilamatic Preoiler system.
FAA holder: Oilamatic Inc
Cockpit sun visor installation.
FAA holder: Rosen Sunvisor Systems LLC