SA539WEOther aircraft modifications
Installation of Turbocharged Lycoming IO-540-C1B5 or IO-540- C1C5 engines.
FAA holder: TALCO Aviation
Aircraft STC directory
New Piper Aircraft PA-23-250 (Navy UO-1) STCs
The Jun 30, 2026 FAA DRS snapshot contains 16 selected supplemental type certificates with status Current whose public applicability data names the New Piper Aircraft PA-23-250 (Navy UO-1). Use it to identify modification scope and recorded holders—not to determine serial-number effectivity, compatibility, installation approval, or commercial availability.
16
listed Current at snapshot
11
holder directories
6
modification categories
Aug 31, 2023
latest recorded revision
Modification demand surface
Other aircraft modifications9
Avionics3
Engine and powerplant1
Cargo and special mission1
Aircraft structures1
Electrical systems1
Recently revised PA-23-250 (Navy UO-1) STCs
Showing the 16 most recently revised records. Each entry links to the FAA source and separates public approval data from private commercial claims.
View record
SA840WEOther aircraft modifications
Installation of Roto-Master (Rajay) Turbo-charged Lycoming IO-540-C4B5 or -C4C5 engines. (PA-E23-250 SN 27-2505 and up).
FAA holder: TALCO Aviation
SA1845WEEngine and powerplant
Installation of Vibration Isolation Products (VIP) engine mount P/N VIP-50804-20 on various aircraft as shown on FAA Approved Model List (AML) No. SA1845WE.
FAA holder: FTG Inc.
SA10236SC (3 OF 4)Other aircraft modifications
Installation of a GDC 31 Roll Steering Converter.
FAA holder: DAC International Inc
SA1124EACargo and special mission
Installation of enlarged cargo door in accordance.
FAA holder: Air-Mods and Repair Inc.
SA01473SE (4 OF 5)Other aircraft modifications
Installation of a GTX 32 (mode C), GTX 33 (mode S), or GTX 33D (mode S with diversity) Remote Transponde.
FAA holder: Garmin AT Inc.
SA01205WI-D (2 OF 2)Avionics
Installation of the KMD 250 Multi-Function Display System with Optional Internal VFR GPS and Optional Traffic and Weather Sensors.
FAA holder: Honeywell International Inc
SA09123AC-DAircraft structures
Installation of S-TEC System 55 Two Axis Automatic Flight Guidance System, Model ST-607, with Optional Autotrim System. Limited to Piper models PA-23-250 and PA-E23-250, s/n 27-2000 through s/n 27-7554172. Eligible on same models when equipped with approved turbocharged engines (250 hp) and/or wing tip tanks per STC SA1480WE.
FAA holder: S-TEC Corporation
SA4008NMElectrical systems
Installation of removable panels on the battery box slides.
FAA holder: Bogert Aviation
SA00161BO (3 OF 3Avionics
Installation of Avidyne Corporation FlightMax 700-00007-( ) EX500 Multi-Function Display.
FAA holder: Avidyne Corporation
SA02217AK (4 OF 5)Other aircraft modifications
Installation of Garmin AT Model GDL90 UAT Data Link System, in accordance with Garmin AT, Inc., GDL 90 UAT Master Data List, P/N 560-0278-01, Revision A, dated November 12, 2004, or later FAA approved revision.
FAA holder: Garmin AT Inc.
SA02655AT (2 OF 2)Other aircraft modifications
Installation of JAARS Model F5K Automatic Flight Following System (AFFS) in Helio H-295 type aircraft.
FAA holder: JAARS Inc.
SA978WEOther aircraft modifications
Installation of turbosupercharged Lycoming O-540-C4B5 engines. Approved for serial numbers 27-2505 and subsequent.
FAA holder: GE Engine Services-Corporate Aviation Inc. DBA Garrett Aviation Services
SA10126SC (2 OF 2)Other aircraft modifications
Installation of Aero Advantage ADV200 series vacuum pump per Aero Advantage Drawing Number ADVMSI 500 latest FAA approved revision.
FAA holder: Aero Holdings Ltd. a Texas limited partnership
SA852WEOther aircraft modifications
Turbosupercharged Lycoming O-540-A1B5, -A1D5, or -A3D5 engines (S/N's 27-1 thru 27-2504).
FAA holder: GE Engine Services-Corporate Aviation Inc. DBA Garrett Aviation Services