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Aircraft STC directory

Maule Aerospace Technology M-4-220 STCs

The Jun 30, 2026 FAA DRS snapshot contains 23 selected supplemental type certificates with status Current whose public applicability data names the Maule Aerospace Technology M-4-220. Use it to identify modification scope and recorded holders—not to determine serial-number effectivity, compatibility, installation approval, or commercial availability.

23
listed Current at snapshot
16
holder directories
7
modification categories
Jun 8, 2026
latest recorded revision

Modification demand surface

Other aircraft modifications11Engine and powerplant7Aircraft structures1Landing gear and brakes1Propellers1Flight controls1Cabin and interiors1

Recorded holders

Electronics International Inc.2Franklin Aircraft Engines Inc.1Burl's Aircraft Rebuild LLC1Airframes Alaska LLC1AMSAFE Inc.1Airwolf Filter Corporation1Brittain Industries, Inc1Silveraire 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-4-220 STCs

Showing the 23 most recently revised records. Each entry links to the FAA source and separates public approval data from private commercial claims.