SA00954WIEngine and powerplant
Installation of Concorde RG Series Batteries in Piper Single Engine Airplanes.
FAA holder: Aero-Mach Wilco LLC
Aircraft STC directory
New Piper Aircraft PA-20S-\"135\" STCs
The Jun 30, 2026 FAA DRS snapshot contains 19 selected supplemental type certificates with status Current whose public applicability data names the New Piper Aircraft PA-20S-\"135\". Use it to identify modification scope and recorded holders—not to determine serial-number effectivity, compatibility, installation approval, or commercial availability.
19
listed Current at snapshot
12
holder directories
8
modification categories
Sep 20, 2022
latest recorded revision
Modification demand surface
Other aircraft modifications8
Aircraft structures3
Fuel systems2
Electrical systems2
Engine and powerplant1
Landing gear and brakes1
Flight controls1
Avionics1
Recently revised PA-20S-\"135\" STCs
Showing the 19 most recently revised records. Each entry links to the FAA source and separates public approval data from private commercial claims.
View record
SA02153AKLanding gear and brakes
Installation of Burl's Aircraft Rebuild Magnum I tail wheel Penetration ski.
FAA holder: Burl's Aircraft Rebuild LLC
SA10236SC (3 OF 4)Other aircraft modifications
Installation of a GDC 31 Roll Steering Converter.
FAA holder: DAC International Inc
SA02264AKAircraft structures
Fabrication and Installation of a Right Hand Seaplane Door.
FAA holder: Trimmer Marvin E/Trimmer Aviation LLC
SA02263AKAircraft structures
Fabrication and Installation of a Left Hand Seaplane Door.
FAA holder: Trimmer Marvin E/Trimmer Aviation LLC
SA02241AKFuel systems
Installation of a Maule Fuel Selector Valve and Associated Fuel System Upgrade in accordance with the Descriptive Data listed in Trimmer Aviation, LLC, Master Data List, MDL-001, dated March 22, 2005, or later FAA approved revision.
FAA holder: Trimmer Marvin E/Trimmer Aviation LLC
SA01473SE (4 OF 5)Other aircraft modifications
Installation of a GTX 32 (mode C), GTX 33 (mode S), or GTX 33D (mode S with diversity) Remote Transponde.
FAA holder: Garmin AT Inc.
SA3518NMOther aircraft modifications
Installation of a skylight, in accordance with Steve s Aircraft Drawing No. SP-3200, Sheet 1 through 6, dated June 23, 1986, or later FAA approved revision.
FAA holder: Steve's Aircraft
SA02299AKFuel systems
Installation of a replacement fuel selector valve.
FAA holder: Dakota Cub Aircraft
SA02295AKOther aircraft modifications
Installation of a high capacity fule gascolator assembly.
FAA holder: Dakota Cub Aircraft
SA4008NMElectrical systems
Installation of removable panels on the battery box slides.
FAA holder: Bogert Aviation
SA02217AK (4 OF 5)Other aircraft modifications
Installation of Garmin AT Model GDL90 UAT Data Link System, in accordance with Garmin AT, Inc., GDL 90 UAT Master Data List, P/N 560-0278-01, Revision A, dated November 12, 2004, or later FAA approved revision.
FAA holder: Garmin AT Inc.
SA00097SEElectrical systems
Installation of a vortex generator kit.
FAA holder: Micro AeroDynamics Inc
SA384ALFlight controls
Installation of rudder centering device in lieu of ventral fin.
FAA holder: M R Borer Aircraft Svc
SA948GLOther aircraft modifications
Superseded by STC SA01944CH. Modify airplane to fly on unleaded automotive gasoline, 87 minimum antiknock index.
FAA holder: EAA Aviation Foundation
SA01944CH (2 OF 2)Other aircraft modifications
Modify airplane to fly on unleaded automotive gasoline, 87 minimum antiknock index, per ASTM Specification D-439 or D-4818 of any volatility class, A through E, or 82UL AVGAS per ASTM D-6227.
FAA holder: Experimental Aircraft Association Inc.
SA01770NYOther aircraft modifications
Installation of CAM 556-643.
FAA holder: Canadian Aero Manufacturing
SA351NEAvionics
Airframe modification for installation of modern instrument panel.
FAA holder: Gubler Joseph A. dba Jag-Air