Installation of Garmin GFC 500 Autopilot with Electronic Stability and Protection.
FAA holder: Garmin International Inc.
Aircraft STC directory
Mooney International M20C STCs
The cited FAA DRS record snapshots contain 34 selected supplemental type certificates with status Current whose public applicability data names the Mooney International M20C. Use it to identify modification scope and recorded holders—not to determine serial-number effectivity, compatibility, installation approval, or commercial availability.
34
listed Current at snapshot
11
holder directories
8
modification categories
Feb 13, 2026
latest recorded revision
Modification demand surface
Recently revised M20C STCs
Showing the 34 most recently revised records. Each entry links to the FAA source and separates public approval data from private commercial claims.
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Installation of a EarthX ETX900-TSO Lithium battery.
FAA holder: EarthX Inc.
Installation of Hartzell Propeller Model 2C1-R419A1/75C(S)08, 2 blade composite propeller.
FAA holder: Hartzell Propeller LLC
Installation of the Integrated Back-up Battery System (IBBS).
FAA holder: TCW Technologies LLC
KFD 900 Primary Flight Display System Additional Functions.
FAA holder: Honeywell International Inc
Installation of Electroair Back Up Battery Panel System Control.
FAA holder: Electroair Aquisition Corp.
Installation of a replacement thermoplastic cabin sidewalls with new thermoplastic sidewalls,.
FAA holder: Wisconsin Aviation Inc.
Installation of Bendix/King KLN 35A GPS (Global Positioning System) Navigation Receiver.
FAA holder: Honeywell International Inc
This STC allows the exchange of the valid Standard Airworthiness Certificate issued to aircraft serial number 680189, a Mooney M20C aircraft registered as N6937N, which meets the requirements of 14 CFR Part 21.24(a)(1) for a Special Airworthiness - Primary Category Airworthiness Certificate.
FAA holder: William Patrick Rourke
Installation of Appareo Systems, LLC Stratus ESG ADS-B transponder.
FAA holder: Appareo Systems LLC.
Installation of a Garmin GDL 82 UAT Datalink Transceiver.
FAA holder: Garmin International Inc
Installation of Garmin Model 400W / 500W Series GPS-WAAS Navigation System.
FAA holder: Garmin International Inc
Installation of a FreeFlight 1201 GPS receiver, with an Avidyne AXP340 Transponder, for ADS-B Out.
FAA holder: Trego Dugan Aviation
Installation of Fuel Bladder Cells in wet wing fuel cavities.
FAA holder: Griggs Aircraft Refinishing LLC
Installation of Brittain Pneumatic Pitch Assist, PC-1.
FAA holder: Brittain Industries, Inc
Installed Brittain Industries, Inc., B2D Flight Control System.
FAA holder: Brittain Industries, Inc
Installation of the Hartzell propeller model HC-C3YR-1RF/F7282.
FAA holder: Hartzell Propeller Inc
Approval of the L-3 Communications NGT 2000/2500 ADS-B system.
FAA holder: ADS-B Technologies, LLC
Installation of Brittain Industries, Inc., Lateral Stability Augmentation System, Model LSA-4.
FAA holder: Brittain Industries, Inc
Installation of Brittain Industries, Inc. Model NAV-2 Flight Control System.
FAA holder: Brittain Industries, Inc
Installation of Brittain Industries, Inc. Autopilot Model B2D.
FAA holder: Brittain Industries, Inc
Installation of Brittain Industries, Inc. Lateral Stability Augmentation System, Model LSA-1.
FAA holder: Brittain Industries, Inc
Installation of Brittain Model NAV-2 Flight Control System including Navigation Coupling and Magnetic Heading Lock.
FAA holder: Brittain Industries, Inc
Installation of Brittain Industries, Inc. Lateral Stability Augmentation System, Model LSA-2.
FAA holder: Brittain Industries, Inc
Installation of Brittain Model NAV-2 Flight Control System including Navigation Coupling and Magnetic Heading Lock.
FAA holder: Brittain Industries, Inc
Installation of Brittain Industries, Inc. Dynertial Pitch Assist Model PCA-1 with Altitude Hold.
FAA holder: Brittain Industries, Inc