Installation of Intelsat Connectivity Antenna (with demod option).
FAA holder: Delta Engineering Corporation
Aircraft STC directory
Airbus SAS A321-251NX STCs
The Jun 30, 2026 FAA DRS snapshot contains 58 selected supplemental type certificates with status Current whose public applicability data names the Airbus SAS A321-251NX. Use it to identify modification scope and recorded holders—not to determine serial-number effectivity, compatibility, installation approval, or commercial availability.
58
listed Current at snapshot
31
holder directories
10
modification categories
May 21, 2026
latest recorded revision
Modification demand surface
Recorded holders
Delta Engineering Corporation7Honeywell International Inc6Amphenol Cable and Interconnect Technologies Inc.5ALOFT AeroArchitects3Space Exploration Technologies Corp./Starlink Aviation3Thales Avionics Inc3Aviation Communication and Surveillance Systems (ACSS) LLC2Woven Electronics LLC2Pratt & Whitney2Astronics Advanced Electronic Systems (AES)1EAD Aerospace Airworthiness T/A Eclipse Technics1Aerotec Concept1AeroLED's Holdings LLC1VisionSafe LLC1STG AEROSPACE GERMANY GmbH1Burrana Inc.1Jet Aviation AG1Commercial Aircraft Interiors1Avionics Support Group Inc.1B/E Aerospace1
Recently revised A321-251NX STCs
Showing the 58 most recently revised records. Each entry links to the FAA source and separates public approval data from private commercial claims.
View record
Installation of a Panasonic Avionics Corporation Global Communications Suite (GCS) and/or In-Flight Entertainment System.
FAA holder: Delta Engineering Corporation
Viasat KA SATCOM Antenna System Installation, approve configurations.
FAA holder: ALOFT AeroArchitects
Installation of the SpaceX Starlink Aero Terminal.
FAA holder: Space Exploration Technologies Corp./Starlink Aviation
SpaceX Starlink Aviation System Installation and Activation.
FAA holder: Space Exploration Technologies Corp./Starlink Aviation
Viasat KA Cabin Distribution System Installation.
FAA holder: ALOFT AeroArchitects
Installation of a Panasonic Avionics Corporation Global Communications Suite Antenna.
FAA holder: Delta Engineering Corporation
Installation of Inflight Warning Systems Fan Vibration Monitor Unit.
FAA holder: Astronics Advanced Electronic Systems (AES)
Installation of Thinkom antenna on the top rear fuselage.
FAA holder: EAD Aerospace Airworthiness T/A Eclipse Technics
Installation of an Automatic Dependent Surveillance Broadcast Out (ADS-B Out) Transponder System with Honeywell Integrated Multi-Mode Receiver (IMMR), Model Number IMMR 20.1 installed with TSO-C190 compliant GPS antenna.
FAA holder: Amphenol Cable and Interconnect Technologies Inc.
Installation of JADE SATCOM Antenna System Provisions.
FAA holder: Amphenol Cable and Interconnect Technologies Inc.
Installation with demod option of Intelsat Cabin Connectivity System.
FAA holder: Delta Engineering Corporation
Upgrade of T3CAS and installation of ACSS SafeRoute+TM ADS-B In System.
FAA holder: Aviation Communication and Surveillance Systems (ACSS) LLC
AAR Engineering Services Seat Re-pitch.
FAA holder: Delta Engineering Corporation
Installation and activation of the RAVE Wireless Broadband System.
FAA holder: Amphenol Cable and Interconnect Technologies Inc.
Installation and activation of an ARINC 791 SATCOM System.
FAA holder: Amphenol Cable and Interconnect Technologies Inc.
The Certification for Transmitting Portable Electronic Device (TPED).
FAA holder: Amphenol Cable and Interconnect Technologies Inc.
Conversion of an Airbus A321-200 passenger configuration airplane to a freighter configuration.
FAA holder: 321 Precision Conversions LLC
Installation of the Spacex Starlink Aviation Satcom System.
FAA holder: Space Exploration Technologies Corp./Starlink Aviation
Installation of the ARTEX 4000 Emergency Locator Transmitter (ELT) System.
FAA holder: Woven Electronics LLC
Update of a Gogo ATG4 system.
FAA holder: Delta Engineering Corporation
Installation of a Honeywell RESCU 406AF Emergency Locator Transmitter (ELT) System.
FAA holder: Honeywell International Inc.
Activation of Wireless Local Area Network (WLAN) system.
FAA holder: Jet Aviation AG
Installation of Rockwell Collins GLU-2100 Multi Mode Receivers (MMR).
FAA holder: Woven Electronics LLC
Installation of a flight attendant crew rest curtain.
FAA holder: Commercial Aircraft Interiors
Installation of a International Communications Group ICS-120A/220A Iridium Communications System.
FAA holder: Avionics Support Group Inc.
Recore of Leibherr Primary Heat Exchanger.
FAA holder: Honeywell International Inc.
Recore of Leibherr Main Heat Exchanger.
FAA holder: Honeywell International Inc.
Recore of Leibherr Reheater Heat Exchanger.
FAA holder: Honeywell International Inc.
Installation of a Thales In-Flight Entertainment System.
FAA holder: Thales Avionics Inc
TPED Compatibility Test in accordance with StandardAero Master Data List 1037140, Revision (B), dated June 1, 2020 or later FAA approved revision.
FAA holder: Standard Aero Business Aviation Services LLC
Upgrade of TCAS and installation of ACSS SafeRoute ADS-B In system.
FAA holder: Aviation Communication and Surveillance Systems (ACSS) LLC
Installation of a Pexco Aerospace, Inc. Seat track cover.
FAA holder: Pexco Aerospace Inc
Installation of a Crane Aerospace & Electronics Tire Sensor Assembly.
FAA holder: ELDEC Corporation
Installation of Dukane underwater acoustic beacon.
FAA holder: VT DRB Aviation Consultants
Installation of a Universal UNS-1M Navigation Management System with a Global Positioning System (GPS).
FAA holder: Honeywell International Inc.