SA01844WIFlight controls
Installation of Garmin GFC 600 Automatic Flight Control System.
FAA holder: Garmin International Inc.
Aircraft STC directory
Textron Aviation 340 STCs
The Jun 30, 2026 FAA DRS snapshot contains 16 selected supplemental type certificates with status Current whose public applicability data names the Textron Aviation 340. Use it to identify modification scope and recorded holders—not to determine serial-number effectivity, compatibility, installation approval, or commercial availability.
16
listed Current at snapshot
9
holder directories
5
modification categories
May 14, 2026
latest recorded revision
Modification demand surface
Other aircraft modifications8
Aircraft structures3
Avionics2
Engine and powerplant2
Flight controls1
Recently revised 340 STCs
Showing the 16 most recently revised records. Each entry links to the FAA source and separates public approval data from private commercial claims.
View record
SA02731SEAvionics
Installation of Luma Technologies LT-4300 Series LED Display Panel and/or LT-4302 LED Gear Status Annunciator.
FAA holder: Luma Technologies LLC
SA281GLOther aircraft modifications
Install Cleveland conversion kit P/N 199-72.
FAA holder: Kaman Corporation Aircraft Wheel and Brake LLC
SA4934NMAircraft structures
Installation of vortex generators on the wing and vertical stabilizer, and 5% take off gross weight increase.
FAA holder: Micro AeroDynamics Inc
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.
SA01935LAOther aircraft modifications
Installation of external aft body strakes.
FAA holder: Aircraft Performance Modifications
SA474NWOther aircraft modifications
Replace original split flaps with Fowler flaps.
FAA holder: Sierra Industries Inc
SA09774ACOther aircraft modifications
Replacement of certain Goodrich pneumatic deicer boots.
FAA holder: Goodrich Corp.
SA02239SEAircraft structures
Installation of a Skymech rear spar replacement kit.
FAA holder: Skymech LLC
SA02696CHEngine and powerplant
Replaces Southwind combustion heater 84720D for Cessna 340, 340A, S/N 340A-0001 thru 340A-0200 w/SA03118NY turbine conversion and C&D Associates combustion heater Kit 32 P/N CD14076K32 or replaces Janitrol combustion heaters 02E17-2, 13E55-2(EL) for Cessna 340A, S/N 340A-201 and up w/SA03118NY turbine conversion and C&D combustion heater Kit 32 P/N CD14028K32.
FAA holder: Hartzell Engine Technologies, LLC
SA03118NYEngine and powerplant
Installation of Rolls-Royce 250 B17F/2 turbine engines, Hartzell HCB3TF7A/T9212DNK7 propellers, and associated structures and equipment.
FAA holder: TURBINE 340 LLC
SA3923WEOther aircraft modifications
Installation of Lycoming TIO-540-R2AD engines.
FAA holder: BGDR.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