Installation of B & C Specialty Products BC100-1 battery.
FAA holder: B & C Specialty Products Inc
Aircraft STC directory
Piper Aircraft PA-39 STCs
The Jun 30, 2026 FAA DRS snapshot contains 28 selected supplemental type certificates with status Current whose public applicability data names the Piper Aircraft PA-39. Use it to identify modification scope and recorded holders—not to determine serial-number effectivity, compatibility, installation approval, or commercial availability.
28
listed Current at snapshot
20
holder directories
8
modification categories
Jan 14, 2025
latest recorded revision
Modification demand surface
Recorded holders
PHILL-Air Inc.3Aeronautical Design Service Pty Ltd The2Great Lakes Aero Products Inc2B & C Specialty Products Inc.1S-TEC Corporation1General Aviation Modifications Inc.1Knots 2U Ltd.1Sierra Industries Ltd.1Sierra Industries Inc1Evans & Bailey Holdings LLC1Alpha Aviation Inc1Hartzell Engine Technologies, LLC1Icarus Avionics, LLC1FFC Manufacturing1Electronics International Inc.1Honeywell International Inc1K S Avionics Inc1Precise Flight Inc1TCB Composite Co.1Rosen Sunvisor Systems LLC1
Recently revised PA-39 STCs
Showing the 28 most recently revised records. Each entry links to the FAA source and separates public approval data from private commercial claims.
View record
Installation of the Integrated Back-up Battery System (IBBS).
FAA holder: TCW Technologies LLC
Installation of an S-TEC 01326 Digital Flight Control System (DFCS).
FAA holder: S-TEC Corporation
Installation of a Shadin 910502 or 910514 'Digiflo' digital fuel flow indicator system.
FAA holder: General Aviation Modifications Inc.
Installation of positive flap retraction system.
FAA holder: Sierra Industries Ltd.
Installation of fiberglass wing tips.
FAA holder: Evans & Bailey Holdings LLC
Installation of a Three Point Torso Restraint System.
FAA holder: Alpha Aviation Inc
Replace Janitrol combustion heater Model 81D94-X (XX) with C&D Associates combustion heater Model CD25K, CD35K, and CD45K.
FAA holder: Hartzell Engine Technologies, LLC
Installation of The Aeronautical Design Service (ADS) part number 1008020828 Stabilator Horn.
FAA holder: Aeronautical Design Service Pty Ltd The
Replacement of the Main Landing Gear Housing.
FAA holder: Aeronautical Design Service Pty Ltd The
Installation of Electronics International Inc. Glass Panel Engine Monitor (with In-Flight Data) MVP-50P.
FAA holder: Electronics International Inc.
Installation of shoulder harness for two front seats.
FAA holder: PHILL-Air Inc.
Installation of Great Lakes forward windows, P/N's W-, W/T-, W/G-2058-187 or -250 and W-, W/G-20599-187 or -250.
FAA holder: Great Lakes Aero Products Inc
Installation of Grimes three light strobe kit P/N 34-0101-2 as supplemental lighting.
FAA holder: Honeywell International Inc.
Installation of one piece windshield.
FAA holder: Great Lakes Aero Products Inc
Installation of the Precise Flight Series 100 Speedbrake System.
FAA holder: Precise Flight Inc
Installation of composite aft spinner bulkhead and/or composite spinner.
FAA holder: TCB Composite Co.
Installation of engine mount heat shield modification in accordance with Oregon Aircraft Design Drawing List DLPA30, dated September 24, 1999, (PA-30, PA-39) or DLPA30T, dated August 28, 1999 (Turbocharged PA-30, PA-39) or later FAA approved revisions to either document.
FAA holder: Fessler Aviation Inc.
Installation of CAPCO Auxiliary Nacelle Fuel Tanks.
FAA holder: PHILL-Air Inc.
Cockpit sun visor installation.
FAA holder: Rosen Sunvisor Systems LLC