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Aircraft STC directory

Boeing DC-9-34 STCs

The Jun 30, 2026 FAA DRS snapshot contains 56 selected supplemental type certificates with status Current whose public applicability data names the Boeing DC-9-34. Use it to identify modification scope and recorded holders—not to determine serial-number effectivity, compatibility, installation approval, or commercial availability.

56
listed Current at snapshot
31
holder directories
9
modification categories
Oct 20, 2025
latest recorded revision

Modification demand surface

Other aircraft modifications27
Cabin and interiors9
Avionics6
Aircraft structures4
Landing gear and brakes3
Safety and emergency equipment3
Fuel systems2
Aircraft connectivity1
Electrical systems1

Recorded holders

Recently revised DC-9-34 STCs

Showing the 56 most recently revised records. Each entry links to the FAA source and separates public approval data from private commercial claims.