SA02571SE (PAGE 2)Avionics
Installation of Garmin G500/G600 TXi Integrated Avionics System (Primary Flight Display, Multi-Function Display, and Engine Indicating System Display).
FAA holder: Garmin International Inc.
Aircraft STC directory
Piper Aircraft PA-31T STCs
The Jun 30, 2026 FAA DRS snapshot contains 38 selected supplemental type certificates with status Current whose public applicability data names the Piper Aircraft PA-31T. Use it to identify modification scope and recorded holders—not to determine serial-number effectivity, compatibility, installation approval, or commercial availability.
38
listed Current at snapshot
24
holder directories
11
modification categories
Dec 12, 2023
latest recorded revision
Modification demand surface
Other aircraft modifications16
Fuel systems6
Electrical systems4
Avionics3
Cargo and special mission2
Landing gear and brakes2
Cabin and interiors1
Flight controls1
Aircraft structures1
Propellers1
Engine and powerplant1
Recorded holders
Airline Fueling Inc.5Blackhawk Modifications Inc.3FFC Manufacturing3Knots 2U Ltd.2Hartzell Engine Technologies, LLC2Garmin International Inc1Aero-Mach Wilco LLC1Honeywell International Inc (Bendix King)1S-TEC Corporation1LifePort LLC1Spectrum Aeromed LLC dba Spectrum Aeromed1Goodrich Corporation1BE Aerospace Inc. DBA SMR Technologies, Inc.1MT- Propeller Entwicklung GmbH1Standard Aero Inc1Aviation Fabricators Inc1McCauley Propeller Systems1Shadin Avionics1Rosen Sunvisor Systems LLC1Aviall Services, Inc.1
Recently revised PA-31T STCs
Showing the 38 most recently revised records. Each entry links to the FAA source and separates public approval data from private commercial claims.
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SA00843WIElectrical systems
Installation of Concorde Battery Corporation (VRSLA) Valve Regulated Sealed Lead Acid Battery.
FAA holder: Aero-Mach Wilco LLC
SA09856ACCabin and interiors
Installation of BendixKing Aerowave 100 In-flight Data Link System for non-essential, non-required aircraft Cabin Systems & Equipments.
FAA holder: Honeywell International Inc (Bendix King)
SA09759DSFlight controls
Installation of an S-TEC 01326 Digital Flight Control System (DFCS).
FAA holder: S-TEC Corporation
SA00528SEElectrical systems
Installation of emergency medical stretcher and base, oxygen, and electrical systems.
FAA holder: LifePort LLC
SA00560CHCargo and special mission
Install air ambulance conversion.
FAA holder: Spectrum Aeromed LLC dba Spectrum Aeromed
SA01935LAOther aircraft modifications
Installation of external aft body strakes.
FAA holder: Aircraft Performance Modifications
SA10594SCOther aircraft modifications
Modification of the Monroe Automotive Equipment Co. (MAECO) Shimmy Dampener.
FAA holder: Knots 2U, Ltd
SA04208CHOther aircraft modifications
Replacement of certain Goodrich pneumatic deicer boots.
FAA holder: Goodrich Corp.
SA00377BOOther aircraft modifications
Installation of pneumatic de-icer timer kit.
FAA holder: BE Aerospace Inc. DBA SMR Technologies, Inc.
SA01946LAAvionics
Installation of Blackhawk Ultra Electronics Engine Instrument.
FAA holder: Blackhawk Modifications Inc.
SA00944CHOther aircraft modifications
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
SA02641CHOther aircraft modifications
Installation of C&D Associates Combustion Heater Kit 30 (P/N CD11003K30).
FAA holder: Hartzell Engine Technologies, LLC
SA665NWFuel systems
Installation of forward facing white lights (100 watts) clear plastic wing tip tank nose cone, and associated systems.
FAA holder: Knots 2U Ltd.
SA02205AKLanding gear and brakes
Removal of Piper PA-31 series main landing gear inboard doors.
FAA holder: Arthur King
SA03249NYOther aircraft modifications
Installation of Model MTV-27-1-E-C-F-R(P)/CFR210-58d 5-bladed, full feathering, reversible wood composite propellers.
FAA holder: MT- Propeller Entwicklung GmbH
SA4335SWOther aircraft modifications
Installation of Pratt and Whitney engines and Hartzell propellers.
FAA holder: Standard Aero Inc
SA2990SWCargo and special mission
Installation of camera pod under left wing.
FAA holder: Airline Fueling Inc.
SA2992SWFuel systems
Installation of 50 gallon fuel tank in nose baggage compartment.
FAA holder: Airline Fueling Inc.
SA3610SWOther aircraft modifications
Installation of a stretcher in place of two passenger seats.
FAA holder: Airline Fueling Inc.
SA00961WIOther aircraft modifications
Stretcher installation per Aviation Fabricators STC Drawing List AF-204, Rev A, dtd 7/7/97, stamped "FAA Approved" with an approval date of 4/13/01 or later FAA approved revision.
FAA holder: Aviation Fabricators Inc
SA1593GLPropellers
Installation of McCauley propeller model 4HFR34C766/94LNA-2.
FAA holder: McCauley Propeller Systems
SA01005ATFuel systems
Installation of left and right hand side fuel cell assemblies.
FAA holder: FFC Manufacturing
SA00798ATFuel systems
Installation of left hand and right hand auxiliary tanks fuel cell assemblies.
FAA holder: FFC Manufacturing
SA00555DELanding gear and brakes
Replacement of inboard main landing gear door with an aerodynamic fairing.
FAA holder: Aircraft Restoration Corporation
SA00863SEOther aircraft modifications
Installation of two Pratt and Whitney PT6A-135, or -135A engines and two Hartzell HC-B3TN-3B/T10178B-8R propellers or as an option, two Hartzell HC-E4N-3N/D8990SK propellers.
FAA holder: Blackhawk Modifications Inc.
SA01248SEOther aircraft modifications
Installation of two Hartzell HC-E4N-3N/D8990SB propellers.
FAA holder: Blackhawk Modifications Inc.
SA240CHEngine and powerplant
Installation of Aero Crafters' exhaust heater system kit.
FAA holder: Aero Crafter Products Inc.
SA617GLFuel systems
Installation of a Shadin Co. 911218 temperature compensated fuel flow indicating system.
FAA holder: Shadin Avionics
SA3305NMOther aircraft modifications
Installation of monorail sun visor system.
FAA holder: Rosen Sunvisor Systems LLC
SA1272SOElectrical systems
Installation of Utah Research and Development Co. Model 126BC101 battery charger system.
FAA holder: Aviall Services, Inc.
SA00459DEOther aircraft modifications
Installation of Aircraft Noise Control (ANC) System.
FAA holder: Quiet Flight LLC
SA1728SOElectrical systems
Replace existing nickel-cadmium batteries with Teledyne Battery Products G-6381E and G-6381ES.
FAA holder: Teledyne Battery Products
SA00874SEOther aircraft modifications
Install two Pratt & Whitney PT6A-34 engines in place of PT6A-28 engines per Master Document List TFL-PA31T-D01, Revision IR, dated November 29, 2000, or later FAA approved revision. Inspect and maintain this modification in accordance with Instructions for Continued Airworthiness, Document TFL-PA31T-R34, Revision IR, dated November 29, 2000, or later FAA approved revision.
FAA holder: Teufel Nursery Inc
SA1008EAOther aircraft modifications
Installation of single lamp logo light in horizontal tail.
FAA holder: DeVore Aviation Corporation of America, a New Mexico Corporation