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Aircraft STC directory

Raytheon Aircraft 99 STCs

The Jun 30, 2026 FAA DRS snapshot contains 17 selected supplemental type certificates with status Current whose public applicability data names the Raytheon Aircraft 99. Use it to identify modification scope and recorded holders—not to determine serial-number effectivity, compatibility, installation approval, or commercial availability.

17
listed Current at snapshot
14
holder directories
8
modification categories
Sep 19, 2022
latest recorded revision

Modification demand surface

Other aircraft modifications5
Electrical systems3
Aircraft structures2
Engine and powerplant2
Cabin and interiors2
Safety and emergency equipment1
Cargo and special mission1
Propellers1

Recorded holders

Recently revised 99 STCs

Showing the 17 most recently revised records. Each entry links to the FAA source and separates public approval data from private commercial claims.