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Aircraft STC directory

Boeing 747-400 Series STCs

The Jun 30, 2026 FAA DRS snapshot contains 518 selected supplemental type certificates with status Current whose public applicability data names the Boeing 747-400 Series. Use it to identify modification scope and recorded holders—not to determine serial-number effectivity, compatibility, installation approval, or commercial availability.

518
listed Current at snapshot
121
holder directories
11
modification categories
Jun 3, 2026
latest recorded revision

Modification demand surface

Other aircraft modifications182
Cabin and interiors164
Aircraft connectivity51
Avionics44
Cargo and special mission37
Aircraft structures16
Safety and emergency equipment12
Fuel systems5
Electrical systems3
Aircraft performance3
Landing gear and brakes1

Recorded holders

Recently revised 747-400 Series STCs

Showing the 100 most recently revised records. Each entry links to the FAA source and separates public approval data from private commercial claims.