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Aircraft STC directory

Mooney International M20S STCs

The Jun 30, 2026 FAA DRS snapshot contains 33 selected supplemental type certificates with status Current whose public applicability data names the Mooney International M20S. 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
10
holder directories
6
modification categories
Jul 29, 2024
latest recorded revision

Modification demand surface

Avionics13
Other aircraft modifications11
Flight controls3
Propellers3
Electrical systems2
Engine and powerplant1

Recorded holders

Brittain Industries, Inc11Honeywell International Inc5Garmin International Inc3CAV Ice Protection Inc3Hartzell Propeller Inc2Kelly Aerospace Thermal Systems LLC1Appareo Systems LLC.1ADS-B Technologies, LLC1AMSAFE Inc.1S-TEC Corporation1

Recently revised M20S STCs

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