SA00734LAEngine and powerplant
Installation of modified exhaust system. S/N 27-2505 and up.
FAA holder: Aerospace Welding Minneapolis Inc.
Aircraft STC directory
New Piper Aircraft PA-23-250 STCs
The Jun 30, 2026 FAA DRS snapshot contains 19 selected supplemental type certificates with status Current whose public applicability data names the New 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.
19
listed Current at snapshot
12
holder directories
7
modification categories
Nov 17, 2023
latest recorded revision
Modification demand surface
Other aircraft modifications5
Avionics4
Aircraft structures3
Fuel systems3
Engine and powerplant2
Flight controls1
Cargo and special mission1
Recorded holders
Honeywell International Inc4Aztec Nomad Inc.2S-TEC Corporation2Aerospace Welding Minneapolis Inc.1Paul/ Lanna Egan LLC1FFC Manufacturing1Champion Aerospace LLC1GE Engine Services-Corporate Aviation Inc. DBA Garrett Aviation Services1Floats & Fuel Cells1Horizon Instruments Inc1TCB Composite Co.1Century Flight Systems Inc1
Recently revised PA-23-250 STCs
Showing the 19 most recently revised records. Each entry links to the FAA source and separates public approval data from private commercial claims.
View record
SA1444WEAircraft structures
Installation of EDO Model 679-4930 floats and addition of left-hand passenger entry door must be done.
FAA holder: Aztec Nomad Inc.
SA1810WEAircraft structures
Installation of left-hand passenger entry door.
FAA holder: Aztec Nomad Inc.
SA1027CEAvionics
Installation of King Model KCS-55 pictorial navigation system (compass), with optional KA-57 autopilot adapter.
FAA holder: Honeywell International Inc
SA1022CEAvionics
Installation of King Model KGS-55 pictorial navigation system(compass), with optional KA-52 autopilot adapter.
FAA holder: Honeywell International Inc
SA1163CEFlight controls
Installation of KFC-200 automatic flight control system (2 axis), with or without flight command indicator.
FAA holder: Honeywell International Inc
SA1554CE-DAvionics
Installation of King Model KAS 297 altitude selector option in airplanes equipped with KFC 200 Flight Control System with Flight Director.
FAA holder: Honeywell International Inc
SA616CHCargo and special mission
Install Egan Aviation Air Ambulance Stretcher P/N 125 using installation kit P/N 800.
FAA holder: Paul/ Lanna Egan LLC
SA00762ATFuel systems
Installation of left hand and right hand fuel cell assemblies. (S/N 7654001 and up).
FAA holder: FFC Manufacturing
SA00769CHOther aircraft modifications
Installation of Champion Limited Authority Spark Advance Regulator (LASARTM) ignition system with Cylinder Head Temperature (CHT) monitoring capability on airframes with FAA approved installations of Textron Lycoming model IO-540, AEIO-540 and HIO-540 engines.
FAA holder: Champion Aerospace LLC
SA09198AC-DOther aircraft modifications
Installation of S-TEC System 55/55X Two Axis Automatic Flight Guidance System, Model ST-662. Installation of S-TEC System 55X Two Axis Automatic Flight Guidance System, Model ST-662-1. Eligibility limited to Piper models PA-23-250 and PA-E23-250, s/n 27-2000 through 27-7554172.
FAA holder: S-TEC Corporation
SA909WEOther aircraft modifications
Installation of turbosupercharged Lycoming IO-540-J4A5 engines. (PA-E23-250 SN 27-2505 and up).
FAA holder: GE Engine Services-Corporate Aviation Inc. DBA Garrett Aviation Services
SA2357CEFuel systems
Installation of LH and RH main fuel tank bladder cells, P/N's DF054-320 and DF054-321, as replacements for original bladders.
FAA holder: Floats & Fuel Cells
SA922SOAircraft structures
Installation of Piper PA-23-250 'E' model fuselage nose. Applies to Piper model PA-23-250, serial numbers 27-2505 through 27-4573.
FAA holder: Earle Aircraft, Inc
SA00621LAEngine and powerplant
Installation of an electronic digital engine tachometer, horizon model P-1000.
FAA holder: Horizon Instruments Inc
SA02410ATFuel systems
Replace existing Auxiliary Electric Standby Fuel Pump with PMA Products, Inc. P/N CA35328-800E Fuel Pump (1A10-S/N 27-1 through 27-2504(14v), 1A15-s/n 24-3642, 24-4000 through 24-4782, 24-4784 through 24-4803, 2A13-s/n 28-7690001 through 28-7990626, 28-8090001 and up(14v).
FAA holder: PMA Products, Inc.
SA01057ATOther aircraft modifications
Installation of Composite skinner.
FAA holder: TCB Composite Co.
SA09503AC-DOther aircraft modifications
Installation of S-TEC System 20/30 single and two-axis automatic flight guidance system, Model ST-882-20/30.
FAA holder: S-TEC Corporation
SA8541SW-DAvionics
Installation of a Century Automatic Flight Syste, Model AK1063 consisting of a Century 2110/2130/2131/2150/2150 autopilot.
FAA holder: Century Flight Systems Inc