SA01147WIOther aircraft modifications
Installation of Concorde FLA or VRSLA series batteries in Piper Light Airplanes.
FAA holder: Concorde Battery Corporation
Aircraft STC directory
Piper Aircraft PA-20S-135 STCs
The Jun 30, 2026 FAA DRS snapshot contains 29 selected supplemental type certificates with status Current whose public applicability data names the 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.
29
listed Current at snapshot
14
holder directories
8
modification categories
Jun 15, 2026
latest recorded revision
Modification demand surface
Other aircraft modifications9
Engine and powerplant6
Propellers4
Flight controls3
Electrical systems2
Fuel systems2
Landing gear and brakes2
Aircraft connectivity1
Recorded holders
Svenn s Aviation LLC9Rubbert Aircraft Services4Trimmer Marvin E/Trimmer Aviation LLC3Dakota Cub Aircraft, Inc.2Concorde Battery Corporation1B & C Specialty Products Inc.1Airframes Alaska LLC1Avidyne Corporation1Steve Pierce1F. Atlee Dodge Aircraft Services, LLC1Univair Aircraft Corporation1Brittain Industries, Inc1Dakota Cub Aircraft1Garmin AT Inc.1
Recently revised PA-20S-135 STCs
Showing the 29 most recently revised records. Each entry links to the FAA source and separates public approval data from private commercial claims.
View record
SA11854CHEngine and powerplant
Installation of modified exhaust system in lieu of original components.
FAA holder: Dakota Cub Aircraft Inc.
SA01343WIElectrical systems
Installation of B&C Specialty Products BC400 alternator.
FAA holder: B & C Specialty Products Inc.
SA02233AKFuel systems
Installation of high visibility fuel sight gauge.
FAA holder: Dakota Cub Aircraft Inc.
SA02534AKOther aircraft modifications
Installation of Airframes Alaska Aluminum Lift Struts.
FAA holder: Airframes Alaska LLC
SA00401BO (PAGE 2)Other aircraft modifications
Installation of a SkyTrax100B UAT receiver.
FAA holder: Avidyne Corporation
SA04474CHEngine and powerplant
Installation of Rubbert Exhaust Assembly RR-1210, RR-1210-HR, RR-1212 and RR-1212-HR on Piper Aircraft models PA-12, PA- 14, PA-16, PA-18, PA-19, PA-20 and PA-22, in accordance with Installation Instructions, document number RR-120, revision Org., dated 04/24/2020 and Instruct 1201, revision Org., dated July 27, 2020 or later FAA approved revision.
FAA holder: Rubbert Aircraft Services
SA01863SEOther aircraft modifications
Installation of Niagara Oil Cooler in the above model aircraft.
FAA holder: Steve Pierce
SA02846CHPropellers
Installation of MT Propeller model MTV-15-B/210-58 on Piper Aircraft models PA-20 and PA-22,.
FAA holder: Svenn's Aviation LLC
SA04121CHEngine and powerplant
Installation of Lycoming 0-320 engine.
FAA holder: Svenn s Aviation LLC
SA3606NMLanding gear and brakes
Installation of landing gear fueling step.
FAA holder: F. Atlee Dodge Aircraft Services, LLC
SA02483AKLanding gear and brakes
Installation of : (1) Cleveland 199-62 or 199-62A wheel and brake kit or ABI LLC AB-199-62 or ABI-199-62A wheel and brake kit on aircraft with 1.5" axles, OR (2) Cleveland wheel and brake kit 199-71 or ABI LLC ABI-199-71 kit on aircraft with 1.25" axles.
FAA holder: Trimmer Marvin E/Trimmer Aviation LLC
SA02734CHElectrical systems
Installation of Lightweight Battery and Circuit Breaker Master Switch in lieu of original components.
FAA holder: Svenn s Aviation LLC
SA02898CHEngine and powerplant
Installation of new engine baffling and rear mounted engine oil cooler.
FAA holder: Rubbert Aircraft Services
SA02899CHOther aircraft modifications
Installation of new lower cowling and carburetor air box.
FAA holder: Rubbert Aircraft Services
SA02929CHEngine and powerplant
Installation of Lycoming O-360 engine.
FAA holder: Rubbert Aircraft Services
SA02128LAFlight controls
Installation of aileron and flap hinge repair bushings.
FAA holder: Univair Aircraft Corporation
SA278WEFlight controls
Installation of Brittain Model B2D Flight Control System.
FAA holder: Brittain Industries, Inc
SA02751CHPropellers
Installation of McCauley Propeller model 1A200FA824X.
FAA holder: Svenn s Aviation LLC
SA02858CHOther aircraft modifications
Installation of Piper Part Number 21242 and F. Atlee Dodge P/N 3143-12 float fittings in lieu of original components.
FAA holder: Svenn s Aviation LLC
SA02567CHOther aircraft modifications
Installation of Piper Part Number 12769 Stabilizer and Piper Part Number 12770 Elevators in lieu of original components.
FAA holder: Svenn s Aviation LLC
SA02790CHOther aircraft modifications
Installation of modified wingtips.
FAA holder: Svenn s Aviation LLC
SA02672CHOther aircraft modifications
Installation of 8:50 tires and tubes in lieu of original components in accordance with installation instructions listed on AML No. SA02672CH.
FAA holder: Svenn s Aviation LLC
SA02670CHPropellers
Installation of McCauley Propeller model 1A175GM824X.
FAA holder: Svenn s Aviation LLC
SA02306AKEngine and powerplant
Installation of a Lycoming O-360-A1A, A1D, A2A, A2D, A2E, A2F, A3A, A3D, A4A, A4M, A4N, or A4P engine on Piper PA-22, PA-20, and PA-16 airplanes.
FAA holder: Trimmer Marvin E/Trimmer Aviation LLC
SA02280AKFuel systems
Installation of a Maule Fuel Selector Valve.
FAA holder: Trimmer Marvin E/Trimmer Aviation LLC