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Aircraft STC directory

Airbus A321 Model -231 STCs

The Jun 30, 2026 FAA DRS snapshot contains 23 selected supplemental type certificates with status Current whose public applicability data names the Airbus A321 Model -231. Use it to identify modification scope and recorded holders—not to determine serial-number effectivity, compatibility, installation approval, or commercial availability.

23
listed Current at snapshot
16
holder directories
8
modification categories
Feb 17, 2025
latest recorded revision

Modification demand surface

Other aircraft modifications9
Aircraft structures4
Cargo and special mission3
Cabin and interiors2
Aircraft connectivity2
Aircraft performance1
Engine and powerplant1
Safety and emergency equipment1

Recorded holders

Avionics Support Group Inc.3Lufthansa Technik AG2ASTECH Engineered Products Inc.2Amphenol Cable and Interconnect Technologies Inc.1Aero Technik Inc.1Burrana Inc.1LifePort LLC1HAECO Cabin Solutions LLC1Rosemount Aerospace Inc1EAD Aerospace1Armstrong Aerospace1Lifeport, Inc1Honeywell International Inc1Canard Aerospace Corporation1Rockwell Collins Inc1EAD Inc.1

Recently revised A321 Model -231 STCs

Showing the 23 most recently revised records. Each entry links to the FAA source and separates public approval data from private commercial claims.