Skip to content

Aircraft STC directory

Aeronca Aircraft SO-58B STCs

The Jun 30, 2026 FAA DRS snapshot contains 4 selected supplemental type certificates with status Current whose public applicability data names the Aeronca Aircraft SO-58B. Use it to identify modification scope and recorded holders—not to determine serial-number effectivity, compatibility, installation approval, or commercial availability.

4
listed Current at snapshot
3
holder directories
2
modification categories
Jul 25, 2008
latest recorded revision

Modification demand surface

Other aircraft modifications3Engine and powerplant1

Recorded holders

M-20 Oil Separators LLC1Experimental Aircraft Association Inc.1EAA Aviation Foundation1

Recently revised SO-58B STCs

Showing the 4 most recently revised records. Each entry links to the FAA source and separates public approval data from private commercial claims.