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-31P STCs
The Jun 30, 2026 FAA DRS snapshot contains 39 selected supplemental type certificates with status Current whose public applicability data names the Piper Aircraft PA-31P. Use it to identify modification scope and recorded holders—not to determine serial-number effectivity, compatibility, installation approval, or commercial availability.
39
listed Current at snapshot
26
holder directories
11
modification categories
Dec 12, 2023
latest recorded revision
Modification demand surface
Other aircraft modifications18
Engine and powerplant5
Fuel systems5
Flight controls2
Cargo and special mission2
Landing gear and brakes2
Avionics1
Cabin and interiors1
Electrical systems1
Aircraft structures1
Propellers1
Recorded holders
FFC Manufacturing5S-TEC Corporation2Mike Jones Aircraft Sales Inc.2Airline Fueling Inc.2Garmin International Inc1Centri-Lube Technologies LLC1Kaman Corporation Aircraft Wheel and Brake LLC1Honeywell International Inc (Bendix King)1LifePort LLC1Spectrum Aeromed LLC dba Spectrum Aeromed1BLR Aerospace LLC.1Knots 2U Ltd.1Goodrich Corporation1BE Aerospace Inc. DBA SMR Technologies, Inc.1Hartzell Engine Technologies, LLC1Aerotech Components Inc1Aerospace Logic Inc.1MT- Propeller Entwicklung GmbH1Aviation Fabricators Inc1Electronics International Inc.1
Recently revised PA-31P STCs
Showing the 39 most recently revised records. Each entry links to the FAA source and separates public approval data from private commercial claims.
View record
SA01435LAEngine and powerplant
Installation of engines modified with Firewall Forward Technologies LLC modified camshaft.
FAA holder: Centri-Lube Technologies LLC
SA284GLOther aircraft modifications
Install Cleveland Conversion Kit P/N 199-83.
FAA holder: Kaman Corporation Aircraft Wheel and Brake 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
SA00764SEAircraft structures
Installation of vortex generators on wing and vertical stabilizer, and strakes on inboard and outboard sides of nacelles.
FAA holder: BLR Aerospace LLC.
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.
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
SA02205AKLanding gear and brakes
Removal of Piper PA-31 series main landing gear inboard doors.
FAA holder: Arthur King
SA289CHOther aircraft modifications
Installation of Inline Pneumatic Air Filter, P/N CV1J4.
FAA holder: Aerotech Components Inc
SA02825NY PAGE 2Other aircraft modifications
Installation of Aerospace Logic Aircraft Instruments.
FAA holder: Aerospace Logic Inc.
SA02959NYPropellers
Installation of 4-blade propeller MTV-16-1-E-C-F/CFL225-37a in accordance with EASA approved MT Propeller Installation Instruction Doc. No. E-1953, Original Issue, dated August 20, 2010. The following MT Propeller documents are required with this installation: EASA approved Airplane Flight Manual Supplement Doc. No. E-1952-2, Original Issue, dated August 20, 2010 and Instructions for Continued Airworthiness Doc. No. E-1954, Revised August 20, 2010.
FAA holder: MT- Propeller Entwicklung GmbH
SA00336ATOther aircraft modifications
Installation of winglets.
FAA holder: Mike Jones Aircraft Sales Inc.
SA1421SOFlight controls
Installation of 40:1 gear ratio wing flap transmissions and related changes in accordance with Colemill Enterprises, Inc., Installation Instructions dated February 16, 1983, or later FAA approved revision. This modification provides and equivalent means of compliance with paragraphs (a)1, (a)2, and (a)4 of AD 82-27-13 and restores the 40 (full) flap travel.
FAA holder: Mike Jones Aircraft Sales Inc.
SA5467SWCargo and special mission
Installation of dual camera port.
FAA holder: Schafer Aircraft Modifications 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
SA01140ATFuel systems
Installation of left hand side and right hand side main tank fuel cell assemblies. (PA-31P S/N 3 THRU 115).
FAA holder: FFC Manufacturing
SA01141ATFuel systems
Installation of left hand side and right hand side main tank fuel cell assemblies.
FAA holder: FFC Manufacturing
SA01249ATEngine and powerplant
Installation of left hand and right hand nacelle fuel cell assemblies.
FAA holder: FFC Manufacturing
SA01988SE (PAGE 6)Engine and powerplant
Installation of Electronics International Inc. Glass Panel Engine Monitor (with In-Flight Data) MVP-50P.
FAA holder: Electronics International Inc.
SA00797ATFuel 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
SA852EAOther aircraft modifications
Installation of Grimes 555 Series three light strobe kit P/N 34-0100-1.
FAA holder: Honeywell International Inc.
SA240CHEngine and powerplant
Installation of Aero Crafters' exhaust heater system kit.
FAA holder: Aero Crafter Products Inc.
SA00448DEOther aircraft modifications
Installation of Oilamatic preoiler system.
FAA holder: Oilamatic Inc
SA09524SCOther aircraft modifications
Conversion of existing Piper air conditioning system from R12 to R134a refrigerant.
FAA holder: Steinbach & Associates, Inc.
SA00459DEOther aircraft modifications
Installation of Aircraft Noise Control (ANC) System.
FAA holder: Quiet Flight LLC
SA09020AC-DOther aircraft modifications
Installation of S-TEC System 55/55X Two Axis Automatic Flight Guidance System, Model ST-597.
FAA holder: S-TEC Corporation
SA4268SWOther aircraft modifications
Installation of Pratt & Whitney PT6A-135 engines according to Drawing List 50,000L dated 12/11/79, revised 1/23/81, or later FAA approved revision.
FAA holder: Schafer Aircraft Modifications Inc.
SA1008EAOther aircraft modifications
Installation of single lamp logo light in horizontal tail.
FAA holder: DeVore Aviation Corporation of America, a New Mexico Corporation