SE01844SEFuel systems
Installation of fuel control modification and associated hardware.
FAA holder: Metal Innovations Inc. dba MII Aero
Aircraft STC directory
Teledyne Continental Motors IO-520-D STCs
The Jun 30, 2026 FAA DRS snapshot contains 8 selected supplemental type certificates with status Current whose public applicability data names the Teledyne Continental Motors IO-520-D. Use it to identify modification scope and recorded holders—not to determine serial-number effectivity, compatibility, installation approval, or commercial availability.
8
listed Current at snapshot
8
holder directories
3
modification categories
Feb 25, 2025
latest recorded revision
Modification demand surface
Fuel systems4
Other aircraft modifications3
Engine and powerplant1
Recently revised IO-520-D STCs
Showing the 8 most recently revised records. Each entry links to the FAA source and separates public approval data from private commercial claims.
View record
SE09217SCFuel systems
Installation of modified fuel injector nozzles.
FAA holder: General Aviation Modifications Inc.
SE2068NMFuel systems
Remove fuel injection system, install Marvel Schebler carburetor system and revise operating limits as shown in addendum SE2068NM.
FAA holder: Kenmore Air Harbor LLC
SE03187ATOther aircraft modifications
STC for the conversion of Teledyne Continental Motors (TCM) Models IO-520-D, -E, -F, or -L to the respective PowerLite Models IO-550-D-AP, -E-AP, -F-AP, or -L-AP which have the same ratings and limitations as TCM Models IO-550-D, -E, -F, or -L, respectively.
FAA holder: Vitatoe Aviation LLC
SE2340SWOther aircraft modifications
Installation of modified cylinder assemblies, barrels, piston, and repaired crankcases.
FAA holder: Continental Motors, Inc.
SE7325SW-DOther aircraft modifications
Installation of crankcase modifications.
FAA holder: RAM Aircraft Limited Partnership
SE00215DEEngine and powerplant
Modification to Teledyne Continental engine for the installation of a turbonormalizing system.
FAA holder: Engine Technologies Inc