SA4934NMAircraft structures
Installation of vortex generators on the wing and vertical stabilizer, and 5% take off gross weight increase.
FAA holder: Micro AeroDynamics Inc
Aircraft STC directory
Textron Aviation 335 STCs
The Jun 30, 2026 FAA DRS snapshot contains 7 selected supplemental type certificates with status Current whose public applicability data names the Textron Aviation 335. Use it to identify modification scope and recorded holders—not to determine serial-number effectivity, compatibility, installation approval, or commercial availability.
7
listed Current at snapshot
3
holder directories
3
modification categories
Sep 25, 2019
latest recorded revision
Modification demand surface
Aircraft structures3
Other aircraft modifications3
Avionics1
Recently revised 335 STCs
Showing the 7 most recently revised records. Each entry links to the FAA source and separates public approval data from private commercial claims.
View record
SA01750SEOther aircraft modifications
Fabrication and Installation of Dahlia Doubler.
FAA holder: Fliegen Works Inc.
SA01751SEOther aircraft modifications
Fabrication and Installation of Panida Doubler.
FAA holder: Fliegen Works Inc.
SA01752SEOther aircraft modifications
Fabrication and Installation of Panida Doubler.
FAA holder: Fliegen Works Inc.
SA02239SEAircraft structures
Installation of a Skymech rear spar replacement kit.
FAA holder: Skymech LLC
SA7975SW-DAircraft structures
Option 1: Install Vortex Generators on vertical stabilizer in accordance with RAM Drawing No. 1474 Rev. B. dated March 4, 1991 or later FAA approved revision. Option 2: Same as Option 1, except no change in airspeeds; Supplemental Flight Manual not required. Option 3: Install vortex generators on vertical stabilizer and wing top.
FAA holder: RAM Aircraft, Limited Partnership
SA03527ATAvionics
Installation of an Avidyne EXP5000 Primary Flight Display (PFD).
FAA holder: Star Aviation