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Aircraft STC directory

Boeing 757-300 Series STCs

The Jun 30, 2026 FAA DRS snapshot contains 157 selected supplemental type certificates with status Current whose public applicability data names the Boeing 757-300 Series. Use it to identify modification scope and recorded holders—not to determine serial-number effectivity, compatibility, installation approval, or commercial availability.

157
listed Current at snapshot
74
holder directories
9
modification categories
Mar 18, 2026
latest recorded revision

Modification demand surface

Other aircraft modifications73
Cabin and interiors23
Avionics22
Aircraft connectivity17
Aircraft structures10
Safety and emergency equipment6
Fuel systems4
Flight controls1
Engine and powerplant1

Recorded holders

Delta Engineering Corporation13Woven Electronics LLC10Avionics Support Group Inc.7United Airlines Inc7Honeywell International Inc6Rockwell Collins Inc5HAECO Cabin Solutions LLC4STG Aerospace Ltd4APTOZ EHF.3Safran Cabin Inc.3L2 Aviation3Innovative Solutions & Support Inc3Astronics Armstrong Aerospace3Fokker Services B.V.3Magee Plastics Company3Anuvu IFC Corporation2AerSale Inc.2ALOFT AeroArchitects2Intelsat Inflight LLC2Aviation Devices & Electronic Components LLC2

Recently revised 757-300 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.