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Aircraft STC directory

Airbus SAS A321-251N STCs

The Jun 30, 2026 FAA DRS snapshot contains 80 selected supplemental type certificates with status Current whose public applicability data names the Airbus SAS A321-251N. Use it to identify modification scope and recorded holders—not to determine serial-number effectivity, compatibility, installation approval, or commercial availability.

80
listed Current at snapshot
46
holder directories
10
modification categories
May 21, 2026
latest recorded revision

Modification demand surface

Other aircraft modifications33
Aircraft connectivity14
Cabin and interiors9
Avionics7
Safety and emergency equipment6
Cargo and special mission4
Electrical systems2
Aircraft structures2
Fuel systems2
Landing gear and brakes1

Recorded holders

Delta Engineering Corporation8Amphenol Cable and Interconnect Technologies Inc.7Honeywell International Inc6Telair International3Rosemount Aerospace Inc3Thales Avionics Inc3ALOFT AeroArchitects2Space Exploration Technologies Corp./Starlink Aviation2Woven Electronics LLC2AMAC Aerospace Switzerland AG2Avionics Support Group Inc.2Pratt & Whitney2Eirtech Aviation Services Inc.1Astronics Advanced Electronic Systems (AES)1Atin OOH LLC1EAD Aerospace Airworthiness T/A Eclipse Technics1Aircraft Systems and Manufacturing Inc1Aerotec Concept1AerSale Inc.1AeroLED's Holdings LLC1

Recently revised A321-251N STCs

Showing the 80 most recently revised records. Each entry links to the FAA source and separates public approval data from private commercial claims.