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Aircraft STC directory

Airbus A330-321 STCs

The Jun 30, 2026 FAA DRS snapshot contains 78 selected supplemental type certificates with status Current whose public applicability data names the Airbus A330-321. Use it to identify modification scope and recorded holders—not to determine serial-number effectivity, compatibility, installation approval, or commercial availability.

78
listed Current at snapshot
38
holder directories
8
modification categories
Jun 2, 2026
latest recorded revision

Modification demand surface

Other aircraft modifications32Cabin and interiors27Avionics5Aircraft connectivity4Cargo and special mission4Safety and emergency equipment3Aircraft structures2Landing gear and brakes1

Recorded holders

Delta Engineering Corporation7Armstrong Aerospace5Northwest Aerospace Technologies Inc4Lufthansa Technik AG4B/E Aerospace Inc - FSI3Honeywell International Inc3Intelsat Inflight LLC3Telair International LLC3JK Aerospace Inc.3Rosemount Aerospace Inc2Commercial Aircraft Interiors2HAECO Cabin Solutions LLC2Aviation Communication and Surveillance Systems (ACSS) LLC2American Airlines Inc2Rockwell Collins Inc2EMS Technologies Canada Ltd2Delta Engineering2Libellule Monde Inc.1Aero Technik Inc.1ZIM Aircraft Cabin Solutions LLC1

Recently revised A330-321 STCs

Showing the 78 most recently revised records. Each entry links to the FAA source and separates public approval data from private commercial claims.

ST04219ATAvionics

Version 7.1 Software upgrade of the Aviation Communication & Surveillance Systems (ACSS) TCAS II, Model TCAS 2000, P/N 7517900-10020 (Configuration 1) or Model T2CAS, P/N 9000000-11414 (Configuration 2). This upgrade allows for the installation of Configuration 1 TCAS II. The installation also includes a Mode S ATC Transponder System with ADS-B Out, Model XS-950, P/N 7517800- 10400.

FAA holder: Aviation Communication and Surveillance Systems (ACSS) LLC

View record