SE03309CHEngine and powerplant
Installation of Engine Preheat Kit, p/n TSP6CYL-2927-115 for 115 volt application.
FAA holder: Hartzell Propeller Inc.
Aircraft STC directory
Continental Motors TSIO-520-U STCs
The Jun 30, 2026 FAA DRS snapshot contains 5 selected supplemental type certificates with status Current whose public applicability data names the Continental Motors TSIO-520-U. Use it to identify modification scope and recorded holders—not to determine serial-number effectivity, compatibility, installation approval, or commercial availability.
5
listed Current at snapshot
5
holder directories
2
modification categories
Oct 26, 2023
latest recorded revision
Modification demand surface
Other aircraft modifications4
Engine and powerplant1
Recently revised TSIO-520-U STCs
Showing the 5 most recently revised records. Each entry links to the FAA source and separates public approval data from private commercial claims.
View record
SE70RMOther aircraft modifications
Installation of compressor bracket.
FAA holder: Air Comm Corporation
SE09637SCOther aircraft modifications
Remove existing rocker arm assemblies and install modify rocker arm assemblies.
FAA holder: General Aviation Modifications Inc.
SE1186SWOther aircraft modifications
Regrooving of pistons P/N 631475 or P/N 632585.
FAA holder: Continental Motors, Inc.
SE3330NMOther aircraft modifications
Continental valve cover gasket.
FAA holder: Real Gaskets Tennessee