SA04075CHAvionics
Installation of Dynon EFIS-D10A EAA sales kit part number 102778-000.
FAA holder: Dynon Avionics Inc.
Aircraft STC directory
Piper Aircraft PA-24-250 STCs
The Jun 30, 2026 FAA DRS snapshot contains 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
Jan 1, 2026
latest recorded revision
Modification demand surface
Other aircraft modifications17
Avionics10
Flight controls6
Fuel systems5
Electrical systems3
Landing gear and brakes2
Cabin and interiors1
Engine and powerplant1
Aircraft structures1
Propellers1
Aircraft connectivity1
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
SA5758SWFuel systems
Install ALCOR fuel flow/totalizer system 24606 which includes transducer 86216 24606 indicator and related hardware.
FAA holder: Alcor LLC
SA00037WIElectrical systems
Installation of B & C Specialty Products BC100-1 battery.
FAA holder: B & C Specialty Products Inc
SA01866WIAvionics
Installation of Garmin GFC 500 Autopilot with Electronic Stability and Protection.
FAA holder: Garmin International Inc.
SA02511SE (2 OF 2)Fuel systems
Installation of replacement fuel quantity indicator sending unit(s).
FAA holder: CiES Inc.
SA02511SE (2 OF 3)Fuel systems
Installation of replacement fuel quantity indicator sending unit(s).
FAA holder: CiES Inc.
SA01941LACabin and interiors
Installation of stabilizer trim handle and cabin door handle.
FAA holder: McFarlane Aviation LLC
SA00343ATEngine and powerplant
Installation of engine cowl and full length gear doors and relocation of engine oil cooler and replacement exhaust system. For PA-24-250, S/N 24-103 and up; for PA-24-260, S/N 24-3642, 24-4000 to 24-4782 and 24-4784 to 24-4803.
FAA holder: Air Comanche Performance
SA04400NYElectrical systems
Installation of the Integrated Back-up Battery System (IBBS).
FAA holder: TCW Technologies LLC
SA04192NYAvionics
KFD 900 Primary Flight Display System Additional Functions.
FAA holder: Honeywell International Inc
SA00426ATOther aircraft modifications
Installation of a composite WHOLLEY COWL.
FAA holder: Whelen Aerospace Technologies
SA04586CHElectrical systems
Installation of Electroair Back Up Battery Panel System Control.
FAA holder: Electroair Aquisition Corp.
SA00401BO (PAGE 2)Other aircraft modifications
Installation of a SkyTrax100B UAT receiver.
FAA holder: Avidyne Corporation
SA09762DSFlight controls
Installation of an S-TEC 01326 Digital Flight Control System (DFCS).
FAA holder: S-TEC Corporation
SA01560WI-DAvionics
Installation of the Honeywell KFD 840 Primary Flight Display System.
FAA holder: Honeywell International Inc
SA3042SOLanding gear and brakes
Installation of 'Speed Spats' main landing gear fairings.
FAA holder: Whelen Aerospace Technologies
SA02153LA-D PAGE 2Avionics
Installation of Garmin G600 Primary Flight Display (PFD) and Multifunction Display (MFD) System.
FAA holder: Garmin International Inc.
SA10594SCOther aircraft modifications
Modification of the Monroe Automotive Equipment Co. (MAECO) Shimmy Dampener.
FAA holder: Knots 2U, Ltd
SA1755NMFlight controls
Installation of positive flap retraction system.
FAA holder: Sierra Industries Ltd.
SA2495WEFlight controls
Installation of recontoured wing leading edge, staff fences, drooped ailerons in flaps down mode, flap actuated stabilator trim system, new wing tips, SC-100 stall warning system.
FAA holder: Sierra Industries Ltd.
SA01838WIAvionics
Installation of a FreeFlight 1201 GPS receiver, with an Avidyne AXP340 Transponder, for ADS-B Out.
FAA holder: Trego Dugan Aviation
SA871WEAircraft structures
Installation of fiberglass wing tips.
FAA holder: Evans & Bailey Holdings LLC
SA02492CHOther aircraft modifications
Installation of a Three Point Torso Restraint System.
FAA holder: Alpha Aviation Inc
SA03501NYPropellers
Installation of the Model MTV-9-B/188-50 constant speed 3-bladed propeller.
FAA holder: MT- Propeller Entwicklung GmbH
SA02121SE (PAGE 2)Other aircraft modifications
Installation of Garmin GTS 825 (TAS) or GTS 855 (TCAS I) Traffic System.
FAA holder: Garmin International Inc
SA362WEOther aircraft modifications
Installation of Brittain Pneumatic Pitch Assist Model PC-1.
FAA holder: Brittain Industries, Inc
SA553WEAvionics
Installation of Brittain Model B-4 Flight Control System including model PCA-1 Pitch Assist (with Altitude Hold) and model NAV-1 Navigation Coupler.
FAA holder: Brittain Industries, Inc
SA04016ATOther aircraft modifications
Installation of The Aeronautical Design Service (ADS) part number 1008020828 Stabilator Horn.
FAA holder: Aeronautical Design Service Pty Ltd The
SA1605WEFlight controls
Installation of Brittain Industries B-4A Flight Control System.
FAA holder: Brittain Industries, Inc
SA1485WEFlight controls
Installation of Brittain Industries, Inc. Model B-11, B2C or BSS Flight Control System.
FAA holder: Brittain Industries, Inc
SA891SOOther aircraft modifications
Remove existing windshield and install single piece windshield.
FAA holder: D'Shannon Products Ltd.
SA00243BO (4 OF 5)Avionics
Installation of Centurion Consulting, Inc. GPS Steering Assist Module (SAM) with roll steering (p/n 0025-5100), or without roll steering (p/n 0025-5200).
FAA holder: Icarus Avionics, LLC
SA03708ATLanding gear and brakes
Replacement of the Main Landing Gear Housing.
FAA holder: Aeronautical Design Service Pty Ltd The
SA01201ATFuel systems
Installation of left hand side and right hand side auxiliary tank fuel cell assemblies.
FAA holder: FFC Manufacturing
SA00484WIOther aircraft modifications
Installation of shoulder harness for two front seats.
FAA holder: PHILL-Air Inc.
SA00746WIOther aircraft modifications
Installation of diagonal shoulder harnesses for the rear seats. (PA-30 S/N 30-1 thru 30-901).
FAA holder: PHILL-Air Inc.
SA270GLOther aircraft modifications
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
SA2586NM (PAGE 4)Other aircraft modifications
Installation of J.P. Instruments temperature monitoring systems.
FAA holder: J P Instruments
SA208GLOther aircraft modifications
Installation of one piece windshield.
FAA holder: Great Lakes Aero Products Inc
SA00861SE (PG 2)Fuel systems
Installation of J.P. Instruments (JPI) fuel flow indicating system in accordance with JPI Installation Manual FS-450, Report No. 400, Revision -, dated August 16, 2000, or later FAA approved revision.
FAA holder: J P Instruments
SA00175DEOther aircraft modifications
Installation of Oilamatic Preoiler system.
FAA holder: Oilamatic Inc
SA5983NMOther aircraft modifications
Cockpit sun visor installation.
FAA holder: Rosen Sunvisor Systems LLC
SA00695SEOther aircraft modifications
Replacement of certain Rotomaster and Rayjay scavenge pumps.
FAA holder: Machen Inc
SA09012AC-DOther aircraft modifications
Installation of S-TEC System 55/55X two axis automatic flight guidance system, model ST-595.
FAA holder: S-TEC Corporation