SE3248NMEngine and powerplant
Installation of air to air intercooler in engine induction system.
FAA holder: Western Skyways Aircraft Modifications Inc.
Aircraft STC directory
Teledyne Continental Motors TSIO-520-M STCs
The Jun 30, 2026 FAA DRS snapshot contains 10 selected supplemental type certificates with status Current whose public applicability data names the Teledyne Continental Motors TSIO-520-M. Use it to identify modification scope and recorded holders—not to determine serial-number effectivity, compatibility, installation approval, or commercial availability.
10
listed Current at snapshot
4
holder directories
3
modification categories
Feb 20, 2024
latest recorded revision
Modification demand surface
Engine and powerplant4
Other aircraft modifications3
Fuel systems3
Recently revised TSIO-520-M STCs
Showing the 10 most recently revised records. Each entry links to the FAA source and separates public approval data from private commercial claims.
View record
SE5009NMEngine and powerplant
Installation of a modified exhaust system.
FAA holder: Aerospace Welding Minneapolis Inc.
SE09280SC-DEngine and powerplant
Modify engine in accordance with RAM Aircraft Corporation Drawing No. 1888.
FAA holder: RAM Aircraft Limited Partnership
SE3631SW-DOther aircraft modifications
Cylinder modifications.
FAA holder: RAM Aircraft Limited Partnership
SE5726SW-DFuel systems
Installation of Floscan - 20lb or - 203b fuel flow transducers.
FAA holder: RAM Aircraft Limited Partnership
SE4651SWOther aircraft modifications
Installation of Slick pressurized magnetos. Also eligible on Teledyne Continental TSIO-520-NB engines modified per STC SE4327SW.
FAA holder: RAM Aircraft Limited Partnership
SE5726SWFuel systems
Installation of Floscan -201b or -203b fuel flow transducers.
FAA holder: RAM Aircraft Limited Partnership
SE5455SWOther aircraft modifications
Unpressurized Slick 6220 magnetos.
FAA holder: RAM Aircraft Limited Partnership