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Aircraft STC directory

Ayres 600 S-2D STCs

The Jun 30, 2026 FAA DRS snapshot contains 5 selected supplemental type certificates with status Current whose public applicability data names the Ayres 600 S-2D. 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
3
holder directories
2
modification categories
Jul 24, 2008
latest recorded revision

Modification demand surface

Other aircraft modifications3Engine and powerplant2

Recorded holders

M-20 Oil Separators LLC1Horizon Instruments Inc1R-S Sales Inc.1

Recently revised 600 S-2D STCs

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