Installation of turbocharged Lycoming O-360-A1A or A1D engines.
FAA holder: TALCO Aviation
Aircraft STC directory
The Jun 30, 2026 FAA DRS snapshot contains 23 selected supplemental type certificates with status Current whose public applicability data names the New Piper Aircraft PA-23. Use it to identify modification scope and recorded holders—not to determine serial-number effectivity, compatibility, installation approval, or commercial availability.
Showing the 23 most recently revised records. Each entry links to the FAA source and separates public approval data from private commercial claims.
FAA holder: TALCO Aviation
FAA holder: TALCO Aviation
FAA holder: DAC International Inc
FAA holder: Paul/ Lanna Egan LLC
FAA holder: Garmin AT Inc.
FAA holder: Honeywell International Inc
FAA holder: Bogert Aviation
FAA holder: Avidyne Corporation
FAA holder: Garmin AT Inc.
FAA holder: JAARS Inc.
FAA holder: Micro AeroDynamics Inc
FAA holder: Aero Holdings Ltd. a Texas limited partnership
FAA holder: Floats & Fuel Cells
FAA holder: Horizon Instruments Inc
FAA holder: PMA Products, Inc.
FAA holder: Gulfstream Aerospace Corporation
FAA holder: Gulfstream Aerospace Corporation
FAA holder: Airparts of Lock Haven
FAA holder: TCB Composite Co.
FAA holder: TCB Composite Co.