Installation of a wing Strut Tiedown Kit No. SFF-MSTD.
FAA holder: Short Final Fabrication LLC
Aircraft STC directory
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.
Showing the 25 most recently revised records. Each entry links to the FAA source and separates public approval data from private commercial claims.
FAA holder: Short Final Fabrication LLC
FAA holder: Franklin Aircraft Engines Inc.
FAA holder: Franklin Aircraft Engines Inc.
FAA holder: Burl's Aircraft Rebuild LLC
FAA holder: Lanitz-Prena Folien Factory GmbH
FAA holder: Airframes Alaska LLC
FAA holder: AMSAFE Inc.
FAA holder: Airwolf Filter Corporation
FAA holder: Flight Enhancements LLC
FAA holder: Brittain Industries, Inc
FAA holder: Silveraire LLC
FAA holder: Electronics International Inc.
FAA holder: Northern Airframes LLC
FAA holder: Rosen Sunvisor Systems LLC
FAA holder: TrimmerAviation LLC
FAA holder: M-20 Oil Separators LLC
FAA holder: Custom Fiberglass Molding Inc.
FAA holder: Herning Benjamin N.
FAA holder: Insight Instrument Corporation
FAA holder: Electronics International
FAA holder: Quint Nicholas M
FAA holder: Aerospace Logic Inc.
FAA holder: Aircraft Components Inc
FAA holder: Aero Ski Manufacturing Co Inc