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Aircraft STC directory

Airbus SAS A321-231 STCs

The Jun 30, 2026 FAA DRS snapshot contains 123 selected supplemental type certificates with status Current whose public applicability data names the Airbus SAS A321-231. Use it to identify modification scope and recorded holders—not to determine serial-number effectivity, compatibility, installation approval, or commercial availability.

123
listed Current at snapshot
60
holder directories
11
modification categories
May 21, 2026
latest recorded revision

Modification demand surface

Other aircraft modifications45
Aircraft connectivity27
Cabin and interiors17
Avionics10
Cargo and special mission8
Safety and emergency equipment6
Electrical systems3
Aircraft structures3
Fuel systems2
Aircraft performance1
Landing gear and brakes1

Recorded holders

Delta Engineering Corporation8Amphenol Cable and Interconnect Technologies Inc.6Lufthansa Technik AG6Thales Avionics Inc6Honeywell International Inc6ALOFT AeroArchitects4Aircraft Systems and Manufacturing Inc4Aaxico Technical Services Inc.4Telair International3Aeroconseil3Ancra International LLC3Aviation Communication and Surveillance Systems (ACSS) LLC3Atin OOH LLC2Anuvu IFC Corporation2Aerotec Concept2American Airlines Inc2Woven Electronics LLC2Rosemount Aerospace Inc2Avionics Support Group Inc.2VT DRB Aviation Consultants2

Recently revised A321-231 STCs

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