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Aircraft STC directory

Textron Aviation 99 STCs

The Jun 30, 2026 FAA DRS snapshot contains 15 selected supplemental type certificates with status Current whose public applicability data names the Textron Aviation 99. Use it to identify modification scope and recorded holders—not to determine serial-number effectivity, compatibility, installation approval, or commercial availability.

15
listed Current at snapshot
11
holder directories
6
modification categories
Apr 2, 2026
latest recorded revision

Modification demand surface

Other aircraft modifications5
Landing gear and brakes3
Avionics2
Electrical systems2
Aircraft structures2
Safety and emergency equipment1

Recorded holders

Recently revised 99 STCs

Showing the 15 most recently revised records. Each entry links to the FAA source and separates public approval data from private commercial claims.