Installation of MT-Propeller Entwicklung GmbH model MTV-9-B/198-52( ) 3-blade, constant speed propeller and spinner.
FAA holder: MT- Propeller Entwicklung GmbH
Aircraft STC directory
The Jun 30, 2026 FAA DRS snapshot contains 47 selected supplemental type certificates with status Current whose public applicability data names the Piper Aircraft PA-28-235. Use it to identify modification scope and recorded holders—not to determine serial-number effectivity, compatibility, installation approval, or commercial availability.
Showing the 47 most recently revised records. Each entry links to the FAA source and separates public approval data from private commercial claims.
FAA holder: MT- Propeller Entwicklung GmbH
FAA holder: Dynon Avionics Inc.
FAA holder: EarthX Inc.
FAA holder: B & C Specialty Products Inc
FAA holder: McFarlane Aviation LLC
FAA holder: Garmin International Inc.
FAA holder: Electroair Aquisition Corp.
FAA holder: Honeywell International Inc.
FAA holder: Pegasus Innovations, LLC
FAA holder: Pegasus Innovations, LLC
FAA holder: Garmin International Inc.
FAA holder: McFarlane Aviation Inc
FAA holder: Knots 2U, Ltd
FAA holder: Sierra Industries Ltd.
FAA holder: Trego Dugan Aviation
FAA holder: Evans & Bailey Holdings LLC
FAA holder: Evans & Bailey Holdings LLC
FAA holder: Nicky L. Watts
FAA holder: Knots 2U Ltd.
FAA holder: Seaplanes North LLC
FAA holder: Garmin International Inc
FAA holder: Professional Pilots Inc.
FAA holder: LP Aero Plastics
FAA holder: Brittain Industries, Inc
FAA holder: Brittain Industries, Inc
FAA holder: Brittain Industries, Inc
FAA holder: Airglas Inc.
FAA holder: Superior Panel Technology
FAA holder: Icarus Avionics, LLC
FAA holder: Sioux Center Aviation
FAA holder: BAS Inc
FAA holder: Knots 2U Ltd.
FAA holder: Knots 2U Ltd.
FAA holder: Honeywell International Inc.
FAA holder: Honeywell International Inc.
FAA holder: Aero Safe Corporation
FAA holder: Woodstock Aircraft Services Inc.
FAA holder: Rosen Sunvisor Systems LLC
FAA holder: S-TEC Corporation
FAA holder: Aircrafters, Inc.
FAA holder: S-TEC Corporation
FAA holder: TCB Composite Co.
FAA holder: DeVore Aviation Corporation of America, a New Mexico Corporation