Skip to content

Aircraft STC directory

Piper Aircraft PA-20-135 STCs

The Jun 30, 2026 FAA DRS snapshot contains 33 selected supplemental type certificates with status Current whose public applicability data names the Piper Aircraft PA-20-135. Use it to identify modification scope and recorded holders—not to determine serial-number effectivity, compatibility, installation approval, or commercial availability.

33
listed Current at snapshot
16
holder directories
8
modification categories
Jun 15, 2026
latest recorded revision

Modification demand surface

Other aircraft modifications11Engine and powerplant6Propellers4Landing gear and brakes3Fuel systems3Flight controls3Electrical systems2Aircraft 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 Pierce1Silveraire LLC1Univair Aircraft Corporation1Brittain Industries, Inc1Cub Crafters Inc1Dakota Cub Aircraft1Garmin AT Inc.1Precise Flight Inc1

Recently revised PA-20-135 STCs

Showing the 33 most recently revised records. Each entry links to the FAA source and separates public approval data from private commercial claims.