SA02511SE (2 OF 2)Fuel systems
Installation of replacement fuel quantity indicator sending unit(s).
FAA holder: CiES Inc.
Aircraft STC directory
Piper Aircraft PA-23-250 STCs
The Jun 30, 2026 FAA DRS snapshot contains 34 selected supplemental type certificates with status Current whose public applicability data names the Piper Aircraft PA-23-250. Use it to identify modification scope and recorded holders—not to determine serial-number effectivity, compatibility, installation approval, or commercial availability.
34
listed Current at snapshot
18
holder directories
9
modification categories
Jun 13, 2024
latest recorded revision
Modification demand surface
Other aircraft modifications11
Avionics6
Fuel systems4
Aircraft structures4
Flight controls3
Electrical systems2
Cargo and special mission2
Propellers1
Engine and powerplant1
Recorded holders
Brittain Industries, Inc4CiES Inc.2Honeywell International Inc2Garmin International Inc2Sierra Industries Ltd.2BF Goodrich Aerospace2MT- Propeller Entwicklung GmbH1Honeywell International Inc (Bendix King)1Avidyne Corporation1Air Comm Corporation1BE Aerospace Inc. DBA SMR Technologies, Inc.1Hartzell Engine Technologies, LLC1Storehouse LLC1FFC Manufacturing1TCB Composite Co.1Oilamatic Inc1Machen Inc1DeVore Aviation Corporation of America, a New Mexico Corporation1
Recently revised PA-23-250 STCs
Showing the 34 most recently revised records. Each entry links to the FAA source and separates public approval data from private commercial claims.
View record
SA02511SE (2 OF 3)Fuel systems
Installation of replacement fuel quantity indicator sending unit(s).
FAA holder: CiES Inc.
SA00148IBPropellers
Installation of the MT-Propeller Entwicklung GmbH model MTV-12-B-C-F/CF188-53() propeller.
FAA holder: MT-Propeller Entwicklung GmbH
SA04400NYElectrical systems
Installation of the Integrated Back-up Battery System (IBBS).
FAA holder: TCW Technologies LLC
SA04586CHElectrical systems
Installation of Electroair Back Up Battery Panel System Control.
FAA holder: Electroair Aquisition Corp.
SA11174SC PAGE 2Other aircraft modifications
Installation of BendixKing by Honeywell KSN 770 and KSN 765 WAAS LPV approach capable nav/comm systems.
FAA holder: Honeywell International Inc (Bendix King)
SA00401BO (PAGE 2)Other aircraft modifications
Installation of a SkyTrax100B UAT receiver.
FAA holder: Avidyne Corporation
SA04182NYAvionics
Installation of BendixKing KA 310 Autopilot Adapter.
FAA holder: Honeywell International Inc
SA01560WI-DAvionics
Installation of the Honeywell KFD 840 Primary Flight Display System.
FAA holder: Honeywell International Inc
SA04409ATCargo and special mission
Installation of Spookfish Camera Pod per SF04-MDL-0001 Issue 1 dated May 24, 2017, or later\nPreviously listed as ST04409AT.
FAA holder: Spookfish Aviation Pty Ltd
SA39RMOther aircraft modifications
Installation of freon air-conditioner.
FAA holder: Air Comm Corporation
SA02153LA-D PAGE 2Avionics
Installation of Garmin G600 Primary Flight Display (PFD) and Multifunction Display (MFD) System.
FAA holder: Garmin International Inc.
SA1390CEAircraft structures
Install 1/4-inch plywood flooring over existing floor, remove 4 passenger seats, install reinforce- ment tubing.
FAA holder: Artic Barnabas Ministries
SA1391CEEngine and powerplant
Cutting and reattaching the left and right lower engine cowling with AN 2700-4 cam locks.
FAA holder: Artic Barnabas Ministries
ST04409ATCargo and special mission
Installation of Spookfish Camera Pod per SF04-MDL-0001 Issue 1 dated May 24, 2017, or later.
FAA holder: Spookfish Aviation Pty Ltd
SA2442WEOther aircraft modifications
Installation of dual hydraulic pump.
FAA holder: Sierra Industries Ltd.
SA2445WEFlight controls
Installation of recontoured inboard wing leading edge, stall fences, drooped ailerons in flaps down mode, rudder anti-servo tab 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
SA00377BOOther aircraft modifications
Installation of pneumatic de-icer timer kit.
FAA holder: BE Aerospace Inc. DBA SMR Technologies, Inc.
SA616WEOther aircraft modifications
Installation of Brittain Industries, Inc. New Matic Pitch Assist Model PC-1.
FAA holder: Brittain Industries, Inc
SA01566CHOther aircraft modifications
Installation of C&D Associates Combustion Heater Kit.
FAA holder: Hartzell Engine Technologies, LLC
SA02121SE (PAGE 2)Other aircraft modifications
Installation of Garmin GTS 825 (TAS) or GTS 855 (TCAS I) Traffic System.
FAA holder: Garmin International Inc
SA4178SWAvionics
Installation of 718-1 instrument panel assembly or optional 718-3 assembly.
FAA holder: Apache Modification Aircraft Corporation
SA1348WEFlight controls
Installation of Brittain Industries Model B-4 Flight Control System.
FAA holder: Brittain Industries, Inc
SA1486WEFlight controls
Installation of Brittain Industries, Inc. Model B2C Flight Control System.
FAA holder: Brittain Industries, Inc
SA236CEAircraft structures
Installation of Hoskins Supplemental Model B High intensity wing tip lights, Model C tail lights, with or without Model 2 high intensity fuselage lights.
FAA holder: BF Goodrich Aerospace
SA398CEAircraft structures
Install Hoskins Twilighter MK III Supplemental Lighting System consisting of Model F Wing Lights with Model P or K (dual) Tail Light.
FAA holder: BF Goodrich Aerospace
SA00800ATFuel systems
Installation of left hand and right hand fuel cell assemblies. (PA-23-250 S/N 7554001 AND UP).
FAA holder: FFC Manufacturing
SA00733ATAircraft structures
Installation of composite aft spinner bulkhead and/or composite spinner.
FAA holder: TCB Composite Co.
SA00448DEOther aircraft modifications
Installation of Oilamatic preoiler system.
FAA holder: Oilamatic Inc
SA00695SEOther aircraft modifications
Replacement of certain Rotomaster and Rayjay scavenge pumps.
FAA holder: Machen Inc
SA1126EAOther aircraft modifications
Installation of DeVore vertical tail floodlights on upper surface of stabilator.
FAA holder: DeVore Aviation Corporation of America, a New Mexico Corporation