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Aircraft STC directory

Boeing 777-300 Series STCs

The Jun 30, 2026 FAA DRS snapshot contains 137 selected supplemental type certificates with status Current whose public applicability data names the Boeing 777-300 Series. Use it to identify modification scope and recorded holders—not to determine serial-number effectivity, compatibility, installation approval, or commercial availability.

137
listed Current at snapshot
58
holder directories
10
modification categories
May 5, 2026
latest recorded revision

Modification demand surface

Other aircraft modifications57
Cabin and interiors26
Aircraft connectivity21
Avionics17
Aircraft structures5
Fuel systems3
Safety and emergency equipment3
Cargo and special mission3
Landing gear and brakes1
Electrical systems1

Recorded holders

Delta Engineering Corporation14Jamco America Inc11Honeywell International Inc9Amphenol Cable and Interconnect Technologies Inc.7Archeion Holdings LLC6Rockwell Collins Inc6Woven Electronics LLC6Rosemount Aerospace Inc4L2 Aviation3Canard Aerospace Corporation3Lufthansa Technik AG3Northwest Aerospace Technologies Inc3Intelsat Inflight LLC2Aviation Devices & Electronic Components LLC2Safran Cabin Galleys US Inc.2EAD Aerospace2The NORDAM Group LLC2Avionics Support Group Inc.2B/E Aerospace Inc - FSI2B/E Aerospace Inc.2

Recently revised 777-300 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.