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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 modifications182Cabin and interiors164Aircraft connectivity51Avionics44Cargo and special mission37Aircraft structures16Safety and emergency equipment12Fuel systems5Electrical systems3Aircraft performance3Landing gear and brakes1

Recorded holders

Safran Cabin Inc.41Jamco America Inc26Delta Engineering Corporation23United Airlines Inc22Honeywell International Inc21Rockwell Collins Inc17HAECO Cabin Solutions LLC17B/E Aerospace Inc - FSI16Amphenol Cable and Interconnect Technologies Inc.14Burrana Inc.14Delta Engineering13EJM Aerospace Services12Ancra International LLC11Telair International LLC10Lufthansa Technik AG9Northwest Aerospace Technologies Inc9Teledyne Controls8Telair US LLC8Flight Structures Inc.8EAD Inc.8

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.