Aircraft STC directory
Piper Aircraft PA-34-200T STCs
The Jun 30, 2026 FAA DRS snapshot contains 48 selected supplemental type certificates with status Current whose public applicability data names the Piper Aircraft PA-34-200T. Use it to identify modification scope and recorded holders—not to determine serial-number effectivity, compatibility, installation approval, or commercial availability.
Modification demand surface
Recorded holders
Recently revised PA-34-200T STCs
Showing the 48 most recently revised records. Each entry links to the FAA source and separates public approval data from private commercial claims.
Installation of "Speed Splitter" flap bracket fairings.
FAA holder: Whelen Aerospace Technologies
Installation of a cowling nose bowl.
FAA holder: Whelen Aerospace Technologies
BasicMed 6-Place Occupancy Restriction.
FAA holder: Aeronautix LLC
Installation of the KFC 230 Aerocruze Automatic Flight Control System (FCS) upgraded from KFC 200 FCS.
FAA holder: Honeywell International Inc. (Bendix King)
Installation of Flight Boss LTD SPA-32/34 Series Organizers.
FAA holder: Flight Boss Ltd.
Installation of the KFC 230 Aerocruze Automatic Flight Control System.
FAA holder: Honeywell International Inc
Installation of BendixKing KA 310 Autopilot Adapter.
FAA holder: Honeywell International Inc
Installation of King Model KFC 200 2 axis (3 optional) flight control system, autopilot only or autopilot with flight director.
FAA holder: Honeywell International Inc
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
Installation of Large Aerial Camera Port.
FAA holder: Lead' Air Inc.
Installation of freon air conditioning system.
FAA holder: Air Comm Corporation
Installation of a Cooling Shroud on engine driven dry air pumps.
FAA holder: McFarlane Aviation Inc
Installation of full span flaps by removing aileron and changing deployment route of all flaps.
FAA holder: Sierra Industries Inc
Installation of cooling louvers on top of both (L.H. and R.H.) nacelle accessory sections.
FAA holder: Sierra Industries Inc
Installation of wing tip fuel tanks of 17 gal. Capacity(each).
FAA holder: Sierra Industries Inc
Installation of a Continental TSIO-360-KB and LTSIO-360-KB, or TSIO-360-EB(c) and LTSIO-360-EB(c) (Converted)* engines and associated systems.
FAA holder: Turboplus Aircraft Systems, Inc.
Installation of a Turboplus, Inc., instrument sub-panel system.
FAA holder: Turboplus Aircraft Systems, Inc.
Installation of an ACD Corporation Model 100,000 intercooler/induction system on a Continental TSIO-360 series engine-turbocharger compressor (Rayjay) system.
FAA holder: Turboplus Aircraft Systems, Inc.
Installation of replacement wing tip fairing assemblies and stabilator tip fairing assemblies.
FAA holder: Evans & Bailey Holdings LLC
Installation of 15 gallon auxiliary fuel cells in each engine nacelle.
FAA holder: Griggs Aircraft Refinishing LLC
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 C&D Associates 24-volt combustion heater pump P/N CD52050.
FAA holder: Hartzell Engine Technologies, LLC
RMD Aircraft Lighting high intensity discharge wingtip light.
FAA holder: Knots 2U Ltd.
Installation of Inline Pneumatic Air Filter, P/N CV1J4.
FAA holder: Aerotech Components Inc
Installation of Aerospace Logic Aircraft Instruments.
FAA holder: Aerospace Logic Inc.
Installation of replacement gas spring door stays on the forward and/or rear cabin doors in accordance with Sioux Center Aviation Drawing List 65DL, Revision C, dated October 18, 2010 or later FAA-approved revisions.
FAA holder: Sioux Center Aviation
Installation of BAS, Inc. shoulder harness with inertia reel.
FAA holder: BAS Inc
Installation of replacement fuel cell assemblies (FFC replacement part number 573 is eligible for installation on Piper Seneca II, models Pa-34-200T, serial numbers 34-757001 and subsequent and Piper Seneca III models PA-34-200T serial numbers 34-8133001 and subsequent.).
FAA holder: FFC Manufacturing
Installation of Electronics International Inc. Glass Panel Engine Monitor (with In-Flight Data) MVP-50P.
FAA holder: Electronics International Inc.
Installation of fiberglass wing tips with recognition lights.
FAA holder: Knots 2U Ltd.
Installation of exhaust gas temperature monitoring systems Model EGT-1.
FAA holder: K S Avionics Inc
Installation of the P-1000 Digital Electronic Tachometer.
FAA holder: Horizon Instruments Inc
Installation of vortex generators on the wings, horizontal and vertical tail surfaces (all models), and an increase in maximum zero fuel weight (PA-34-200T and PZL M20 03 only).
FAA holder: Micro AeroDynamics Inc
Installation of a Shadin Co. fuel flow indicating system.
FAA holder: Shadin Avionics
Cockpit sun visor installation.
FAA holder: Rosen Sunvisor Systems LLC
Installation of Oilamatic Preoiler system.
FAA holder: Oilamatic Inc
Installation of Precise Flight speedbrake.
FAA holder: Precise Flight Inc
Installation of S-TEC Altitude Selector/Alerter, Mode ST-1000.
FAA holder: S-TEC Corporation
Conversion of existing Piper air conditioning system from R12 to R134a refrigerant.
FAA holder: Steinbach & Associates, Inc.
Installation of S-TEC System 55/55X Two Axis Automatic Flight Guidance System, Model ST-842,.
FAA holder: S-TEC Corporation
Replacement of certain BF Goodrich pneumatic deicer boots.
FAA holder: SMR Technologies
Installation of vertical tail floodlights on horizontal stabilizer.
FAA holder: DeVore Aviation Corporation of America, a New Mexico Corporation