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Aircraft STC directory

Ontic Engineering and Manufacturing SA227-AT STCs

The Jun 30, 2026 FAA DRS snapshot contains 3 selected supplemental type certificates with status Current whose public applicability data names the Ontic Engineering and Manufacturing SA227-AT. Use it to identify modification scope and recorded holders—not to determine serial-number effectivity, compatibility, installation approval, or commercial availability.

3
listed Current at snapshot
3
holder directories
3
modification categories
Apr 1, 2025
latest recorded revision

Modification demand surface

Other aircraft modifications1
Flight controls1
Avionics1

Recorded holders

Acron Aviation Inc.1S-TEC Corporation1Luma Technologies LLC1

Recently revised SA227-AT STCs

Showing the 3 most recently revised records. Each entry links to the FAA source and separates public approval data from private commercial claims.