ST09850DSOther aircraft modifications
Series Starlink to IFE & AID Interface Installation.
FAA holder: United Airlines
Aircraft STC directory
Airbus SAS A321-252NX STCs
The Jun 30, 2026 FAA DRS snapshot contains 52 selected supplemental type certificates with status Current whose public applicability data names the Airbus SAS A321-252NX. Use it to identify modification scope and recorded holders—not to determine serial-number effectivity, compatibility, installation approval, or commercial availability.
52
listed Current at snapshot
29
holder directories
10
modification categories
Jun 12, 2026
latest recorded revision
Modification demand surface
Other aircraft modifications16
Aircraft connectivity14
Cabin and interiors8
Safety and emergency equipment5
Avionics4
Cargo and special mission1
Electrical systems1
Aircraft structures1
Fuel systems1
Landing gear and brakes1
Recorded holders
Delta Engineering Corporation7Amphenol Cable and Interconnect Technologies Inc.5ALOFT AeroArchitects4Space Exploration Technologies Corp./Starlink Aviation3Honeywell International Inc3Aviation Communication and Surveillance Systems (ACSS) LLC2Woven Electronics LLC2Thales Avionics Inc2Pratt & Whitney2United Airlines1EAD Aerospace Airworthiness T/A Eclipse Technics1Aerotec Concept1VisionSafe LLC1STG AEROSPACE GERMANY GmbH1Burrana Inc.1Jet Aviation AG1Commercial Aircraft Interiors1B/E Aerospace1StandardAero Business Aviation Services, LLC1Standard Aero Business Aviation Services LLC1
Recently revised A321-252NX STCs
Showing the 52 most recently revised records. Each entry links to the FAA source and separates public approval data from private commercial claims.
View record
ST03416NYAircraft connectivity
Installation of Intelsat Connectivity Antenna (with demod option).
FAA holder: Delta Engineering Corporation
ST02913NYAvionics
Installation of a Panasonic Avionics Corporation Global Communications Suite (GCS) and/or In-Flight Entertainment System.
FAA holder: Delta Engineering Corporation
ST03741NYAircraft connectivity
Viasat KA SATCOM Antenna System Installation, approve configurations.
FAA holder: ALOFT AeroArchitects
ST12325SEOther aircraft modifications
Installation of the SpaceX Starlink Aero Terminal.
FAA holder: Space Exploration Technologies Corp./Starlink Aviation
ST12326SEOther aircraft modifications
SpaceX Starlink Aviation System Installation and Activation.
FAA holder: Space Exploration Technologies Corp./Starlink Aviation
ST03742NYCabin and interiors
Viasat KA Cabin Distribution System Installation.
FAA holder: ALOFT AeroArchitects
ST02890NYAircraft connectivity
Installation of a Panasonic Avionics Corporation Global Communications Suite Antenna.
FAA holder: Delta Engineering Corporation
ST12229IBAircraft connectivity
Installation of Thinkom antenna on the top rear fuselage.
FAA holder: EAD Aerospace Airworthiness T/A Eclipse Technics
ST04288CHAircraft connectivity
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.
ST04292CHAircraft connectivity
Installation of JADE SATCOM Antenna System Provisions.
FAA holder: Amphenol Cable and Interconnect Technologies Inc.
ST04254NYAircraft connectivity
Installation of Viasat Satcom Software.
FAA holder: ALOFT AeroArchitects
ST03417NYAircraft connectivity
Installation with demod option of Intelsat Cabin Connectivity System.
FAA holder: Delta Engineering Corporation
ST02717LAAvionics
Upgrade of T3CAS and installation of ACSS SafeRoute+TM ADS-B In System.
FAA holder: Aviation Communication and Surveillance Systems (ACSS) LLC
ST04798NYCabin and interiors
AAR Engineering Services Seat Re-pitch.
FAA holder: Delta Engineering Corporation
ST04328CHAircraft connectivity
Installation and activation of the RAVE Wireless Broadband System.
FAA holder: Amphenol Cable and Interconnect Technologies Inc.
ST04334CHAircraft connectivity
Installation and activation of an ARINC 791 SATCOM System.
FAA holder: Amphenol Cable and Interconnect Technologies Inc.
ST04287CHOther aircraft modifications
The Certification for Transmitting Portable Electronic Device (TPED).
FAA holder: Amphenol Cable and Interconnect Technologies Inc.
ST02716SECargo and special mission
Conversion of an Airbus A321-200 passenger configuration airplane to a freighter configuration.
FAA holder: 321 Precision Conversions LLC
ST04071NYSafety and emergency equipment
Installation of VisionSafe Emergency Vision Assurance System (EVAS).
FAA holder: VisionSafe LLC
ST09939ACAircraft connectivity
Installation of the Spacex Starlink Aviation Satcom System.
FAA holder: Space Exploration Technologies Corp./Starlink Aviation
ST04577ATSafety and emergency equipment
Installation of the ARTEX 4000 Emergency Locator Transmitter (ELT) System.
FAA holder: Woven Electronics LLC
ST04562NYSafety and emergency equipment
Installation of saf-Tglo® SuperSeal UltraLite-X (SSUL-X) Photoluminescent Floor Proximity Emergency Escape Path Marking Systems.
FAA holder: STG AEROSPACE GERMANY GmbH
ST00898DECabin and interiors
Installation of Glide Lite In-Flight Entertainment System.
FAA holder: Burrana Inc.
ST03194NYOther aircraft modifications
Update of a Gogo ATG4 system.
FAA holder: Delta Engineering Corporation
ST01797CHSafety and emergency equipment
Installation of a Honeywell RESCU 406AF Emergency Locator Transmitter (ELT) System.
FAA holder: Honeywell International Inc.
ST04474NYOther aircraft modifications
Activation of Wireless Local Area Network (WLAN) system.
FAA holder: Jet Aviation AG
ST04336CHOther aircraft modifications
Installation of Honeywell Enhanced Ground Proximity Warning Computer (EGPWC) Upgrade and Runway Awareness and Advisory System (RAAS) Activation.
FAA holder: Honeywell International Inc.
ST03739NYOther aircraft modifications
Electromagnetic Compatibility (EMC) for RF Systems installation on electromagnetic compatibility testing on Airbus A321 series aircraft.
FAA holder: ALOFT AeroArchitects
ST04520ATOther aircraft modifications
Installation of Rockwell Collins GLU-2100 Multi Mode Receivers (MMR).
FAA holder: Woven Electronics LLC
ST02656SEOther aircraft modifications
Installation of a flight attendant crew rest curtain.
FAA holder: Commercial Aircraft Interiors
ST01963WISafety and emergency equipment
Installation of Integra Pulse Portable Oxygen Bottle.
FAA holder: B/E Aerospace
ST03414NYCabin and interiors
Installation of a Thales In-Flight Entertainment System.
FAA holder: Thales Avionics Inc
ST02528LACabin and interiors
Installation of Data Transfer Device (DTD) into the existing Cabin Medial Loader (CML).
FAA holder: Thales Avionics Inc
ST04425CHOther aircraft modifications
Installation of a Honeywell One Aero Edge Node (1AEN) in accordance with StandardAero Master Data List 1037081, Revision (B), dated June 9, 2020 or later FAA approved revision.
FAA holder: StandardAero Business Aviation Services LLC
ST04424CHOther aircraft modifications
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
ST04383CHElectrical systems
Replacement of Main Ships Battery in accordance with StandardAero Master Data List 1035677, Revision (A), dated November 07, 2019 or later FAA approved revision.
FAA holder: Securaplane Technologies Inc
ST02640LAAvionics
Upgrade of TCAS and installation of ACSS SafeRoute ADS-B In system.
FAA holder: Aviation Communication and Surveillance Systems (ACSS) LLC
ST04438CHOther aircraft modifications
Installation of Wheelchair Stowage Compartment in accordance with ata List, 38925CR002, Revision A, dated October 11, 2019, or later FAA approved revision.
FAA holder: AAR Aircraft Services
ST11126SCAircraft connectivity
Structural modification necessary for the installation of a IGA-5001 Intermediate Gain Antenna.
FAA holder: Delta G Design Inc
ST04351CHCabin and interiors
Installation of a Pexco Aerospace, Inc. Seat track cover.
FAA holder: Pexco Aerospace Inc
ST03834NYFuel systems
Installation of Invicta Ignition Mitigation/Flammability Reduction Technology in the Center Wing Tank (CWT).
FAA holder: Jetaire Aerospace LLC
ST02421SELanding gear and brakes
Installation of a Crane Aerospace & Electronics Tire Sensor Assembly.
FAA holder: ELDEC Corporation
ST11214DSOther aircraft modifications
Installation of Dukane underwater acoustic beacon.
FAA holder: VT DRB Aviation Consultants
ST02941CH-DCabin and interiors
Installation of a BoardConnect In-Flight Entertainment (IFE) System in accordance with Armstrong Aerospace Master Data List, Doc. No. DC104-8098-00, Revision A, dated May 19, 2011, or later FAA approved revision.
FAA holder: Armstrong Aerospace
SA11213DSOther aircraft modifications
Installation of a Pratt & Whitney enhanced Flight Data Acquisition Storage and Transmission (eFAST) system.
FAA holder: Pratt & Whitney
ST11213DSOther aircraft modifications
Installation of a Pratt & Whitney enhanced Flight Data Acquisition Storage and Transmission (eFAST) system.
FAA holder: Pratt & Whitney
ST01190ATAvionics
Installation of a Universal UNS-1M Navigation Management System with a Global Positioning System (GPS).
FAA holder: Honeywell International Inc.