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Aircraft STC directory

Continental Motors IO-520-L STCs

The Jun 30, 2026 FAA DRS snapshot contains 7 selected supplemental type certificates with status Current whose public applicability data names the Continental Motors IO-520-L. Use it to identify modification scope and recorded holders—not to determine serial-number effectivity, compatibility, installation approval, or commercial availability.

7
listed Current at snapshot
5
holder directories
2
modification categories
May 4, 2021
latest recorded revision

Modification demand surface

Other aircraft modifications4
Engine and powerplant3

Recorded holders

B & B Aviation LLC2Vitatoe Aviation LLC1Airwolf Filter Corporation1Western Skyways Aircraft Modifications Inc.1General Aviation Modifications Inc.1

Recently revised IO-520-L STCs

Showing the 7 most recently revised records. Each entry links to the FAA source and separates public approval data from private commercial claims.