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Aircraft STC directory

Maule Aerospace Technology M-4-220C STCs

The Jun 30, 2026 FAA DRS snapshot contains 25 selected supplemental type certificates with status Current whose public applicability data names the Maule Aerospace Technology M-4-220C. Use it to identify modification scope and recorded holders—not to determine serial-number effectivity, compatibility, installation approval, or commercial availability.

25
listed Current at snapshot
18
holder directories
7
modification categories
Jun 8, 2026
latest recorded revision

Modification demand surface

Other aircraft modifications12Engine and powerplant7Landing gear and brakes2Aircraft structures1Propellers1Flight controls1Cabin and interiors1

Recorded holders

Franklin Aircraft Engines Inc.2Burl's Aircraft Rebuild LLC1Lanitz-Prena Folien Factory GmbH1Airframes Alaska LLC1AMSAFE Inc.1Airwolf Filter Corporation1Brittain Industries, Inc1Silveraire LLC1Electronics International Inc.1Northern Airframes LLC1Rosen Sunvisor Systems LLC1M-20 Oil Separators LLC1Insight Instrument Corporation1Electronics International1Quint Nicholas M1Aerospace Logic Inc.1Aircraft Components Inc1Aero Ski Manufacturing Co Inc1

Recently revised M-4-220C STCs

Showing the 25 most recently revised records. Each entry links to the FAA source and separates public approval data from private commercial claims.