SE04349CH (PAGE 1)Other aircraft modifications
Installation of SureFly electronic ignition.
FAA holder: SureFly Partners Ltd.
Aircraft STC directory
Continental Motors TSIO-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 Continental Motors TSIO-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
7
holder directories
2
modification categories
Nov 22, 2024
latest recorded revision
Modification demand surface
Other aircraft modifications7
Engine and powerplant1
Recently revised TSIO-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
SE03309CHEngine and powerplant
Installation of Engine Preheat Kit, p/n TSP6CYL-2927-115 for 115 volt application.
FAA holder: Hartzell Propeller Inc.
SE00113SEOther aircraft modifications
Replaces Teledyne-Continental Part Number 646277 lifter bodies.
FAA holder: B & B Aviation LLC
SE5785NMOther aircraft modifications
Replacement of Teledyne Continental original camshaft with P/N 32122-2.
FAA holder: B & B Aviation LLC
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