SA12407AKAircraft structures
Installation of a wing Strut Tiedown Kit No. SFF-MSTD.
FAA holder: Short Final Fabrication LLC
Aircraft STC directory
Maule Aerospace Technology Bee Dee M-4 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 Bee Dee M-4. 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
17
holder directories
6
modification categories
Jun 8, 2026
latest recorded revision
Modification demand surface
Other aircraft modifications14
Engine and powerplant4
Landing gear and brakes2
Aircraft structures1
Cargo and special mission1
Cabin and interiors1
Recorded holders
Aero Ski Manufacturing Co Inc2LegacySTC.com1Airframes Alaska LLC1AMSAFE Inc.1Silveraire LLC1Electronics International Inc.1Northern Airframes LLC1Airglas Inc.1Rosen Sunvisor Systems LLC1M-20 Oil Separators LLC1Insight Instrument Corporation1Quint Nicholas M1EAA Aviation Foundation1Aerospace Logic Inc.1Aircraft Components Inc1Micro AeroDynamics Inc1AAR1
Recently revised Bee Dee M-4 STCs
Showing the 23 most recently revised records. Each entry links to the FAA source and separates public approval data from private commercial claims.
View record
SA02549AKOther aircraft modifications
Fabrication and installation of Lift Struts.
FAA holder: Airframes Alaska LLC
SA02503AK (PAGE 1)Other aircraft modifications
Installation of AMSAFE State of the Art Restraint System (SOARS) inflatable restraints.
FAA holder: AMSAFE Inc.
SA00353BOOther aircraft modifications
Installation of an auto lean system.
FAA holder: Flight Enhancements LLC
SA02391CHOther aircraft modifications
Installation of Custom Fiberglass Molding skis, Model 3000.
FAA holder: Silveraire LLC
SA02402SE PAGE 2Engine and powerplant
Installation of Electronics International Inc. Glass Panel Engine Monitor (with In-Flight Data) CGR-30C.
FAA holder: Electronics International Inc.
SA02218SELanding gear and brakes
Installation of the Alaskan Bushwheel, Inc. Extended Heavy Duty Main Landing Gear.
FAA holder: Northern Airframes LLC
SA222ALLanding gear and brakes
Installation of Airglas Engineering Model L2500A wheel replacement skis.
FAA holder: Airglas Inc.
SA01251SEOther aircraft modifications
The manufacture of a Sunvisor System.
FAA holder: Rosen Sunvisor Systems LLC
SA02383AKOther aircraft modifications
Installation of offset single handle control yoke (left side, left offset and right side, right offset) with push-to-talk switch, in accordance with Trimmer Aviation, LLC, Drawing No. 2015101, Rev. A, dated May 29, 2011 or later FAA approved revision.
FAA holder: TrimmerAviation LLC
SA02033AT (PAGE 3)Engine and powerplant
Modification to install an air-oil separator to prevent oil from being aspirated from the engine breather line (47J series w stc's SH4-235SW, SH4-826SW or SH479SW).
FAA holder: M-20 Oil Separators LLC
ST02391CHOther aircraft modifications
Installation of Custom Fiberglass Molding Skis, Model 3000,.
FAA holder: Custom Fiberglass Molding Inc.
SA01860NY (2 OF 3)Engine and powerplant
Installation of Graphic Engine Monitors (GEM) Models GEM-610 and GEMINI 1200.
FAA holder: Insight Instrument Corporation
SA02034CHCabin and interiors
Modify cabin doors in accordance with the Blackhawk Aircraft Maintenance Maule Extended Cabin Door Opening Modification Manual, dated May 1, 2004, or later FAA approved revisions.
FAA holder: Quint Nicholas M
SA945GLOther aircraft modifications
Superseded by STC SA01944CH. Modify airplane to fly on unleaded automotive gasoline, 87 minimum antiknock index.
FAA holder: EAA Aviation Foundation
ST01700NY (2 OF 2)Engine and powerplant
Installation of the following Aerospace Logic aircraft instruments: EGT-100 Exhaust Gas Temperature Indicator, CHT-100 Cylnder Head Temperature INdicator, FL-100 Dual Fuel Level Indicator, FP-100 Fuel Pressure and Ammeter Indicator, OL-100 Oil Pressure and Temperature Indicator, and VA-100 Voltmeter and Ammeter Indicator.
FAA holder: Aerospace Logic Inc.
ST02547AT (2 OF 2)Other aircraft modifications
Installation of a voice alert system.
FAA holder: Aircraft Components Inc
SA00170SEOther aircraft modifications
Installation of vortex generators on the wings and tail surfaces in accordance with Micro AeroDynamics drawings and installation instructions specified on the attached FAA AML No. SA00170SE dated November 12, 1997, or later FAA approved revision. NOTE: If more than five vortex generators are damaged or missing, the aircraft is not airworthy.
FAA holder: Micro AeroDynamics Inc
SA131CHOther aircraft modifications
Installation of Model M2000 and M3000H fixed skis.
FAA holder: Aero Ski Manufacturing Co Inc
SA130CHOther aircraft modifications
Installation of Model R2800 retractable skis.
FAA holder: Aero Ski Manufacturing Co Inc