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Aircraft STC directory

Textron Lycoming AVCO IO-320 Series STCs

The Jun 30, 2026 FAA DRS snapshot contains 5 selected supplemental type certificates with status Current whose public applicability data names the Textron Lycoming AVCO IO-320 Series. 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
4
holder directories
3
modification categories
Jun 20, 2024
latest recorded revision

Modification demand surface

Engine and powerplant2
Other aircraft modifications2
Fuel systems1

Recorded holders

Hartzell Engine Technologies, LLC2B & C Specialty Products Inc.1General Aviation Modifications Inc.1Continental Motors, Inc.1

Recently revised IO-320 Series STCs

Showing the 5 most recently revised records. Each entry links to the FAA source and separates public approval data from private commercial claims.