ST03416NYAircraft connectivity
Installation of Intelsat Connectivity Antenna (with demod option).
FAA holder: Delta Engineering Corporation
Aircraft STC directory
Airbus SAS A321-271N STCs
The Jun 30, 2026 FAA DRS snapshot contains 70 selected supplemental type certificates with status Current whose public applicability data names the Airbus SAS A321-271N. Use it to identify modification scope and recorded holders—not to determine serial-number effectivity, compatibility, installation approval, or commercial availability.
70
listed Current at snapshot
39
holder directories
10
modification categories
May 21, 2026
latest recorded revision
Modification demand surface
Other aircraft modifications24
Aircraft connectivity17
Cabin and interiors9
Avionics6
Cargo and special mission4
Safety and emergency equipment4
Aircraft structures2
Fuel systems2
Electrical systems1
Landing gear and brakes1
Recorded holders
Amphenol Cable and Interconnect Technologies Inc.7Delta Engineering Corporation6Lufthansa Technik AG4Telair International3Rosemount Aerospace Inc3Honeywell International Inc3Thales Avionics Inc3ALOFT AeroArchitects2Space Exploration Technologies Corp./Starlink Aviation2Woven Electronics LLC2AMAC Aerospace Switzerland AG2Avionics Support Group Inc.2Pratt & Whitney2Eirtech Aviation Services Inc.1EAD Aerospace Airworthiness T/A Eclipse Technics1Libellule Monde Inc.1Aerotec Concept1AerSale Inc.1VisionSafe LLC1ACES Inc.1
Recently revised A321-271N STCs
Showing the 70 most recently revised records. Each entry links to the FAA source and separates public approval data from private commercial claims.
View record
ST03741NYAircraft connectivity
Viasat KA SATCOM Antenna System Installation, approve configurations.
FAA holder: ALOFT AeroArchitects
ST12326SEOther aircraft modifications
SpaceX Starlink Aviation System Installation and Activation.
FAA holder: Space Exploration Technologies Corp./Starlink Aviation
ST02890NYAircraft connectivity
Installation of a Panasonic Avionics Corporation Global Communications Suite Antenna.
FAA holder: Delta Engineering Corporation
ST04759NYOther aircraft modifications
Installation of a single cockpit USB charger.
FAA holder: Eirtech Aviation Services Inc.
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.
ST02735LACargo and special mission
Installation of modular lower deck Cargo Loading System (CLS).
FAA holder: Telair International
ST12056IBOther aircraft modifications
The Manufacture and Installation of External Printed Aircraft Graphics Film.
FAA holder: Libellule Monde Inc.
ST03417NYAircraft connectivity
Installation with demod option of Intelsat Cabin Connectivity System.
FAA holder: Delta Engineering Corporation
ST04798NYCabin and interiors
AAR Engineering Services Seat Re-pitch.
FAA holder: Delta Engineering Corporation
ST02612CHAircraft structures
Installation of AD Aerospace Cockpit Door Monitoring System.
FAA holder: Amphenol Cable and Interconnect Technologies, Inc.
ST02626CHOther aircraft modifications
Installation of ECS EZMount® mechanical mounting assemblies on lower frames of cockpit sliding windows.
FAA holder: Amphenol Cable and Interconnect Technologies Inc
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.
ST04010NYFuel systems
Installation of Reticulated Polyurethane Foam (RPF) For Center Fuel Tank Ignition Mitigation.
FAA holder: AerSale Inc.
ST04470NYAircraft connectivity
Removal of Ka-band antenna and systems components.
FAA holder: Lufthansa Technik AG
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
ST02814CHOther aircraft modifications
Installation of Rosemount Aerospace Electronic Flight Bag (EFB) System and Provisions.
FAA holder: Rosemount Aerospace Inc
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
ST04623CHOther aircraft modifications
Installation of Flight Deck Power System.
FAA holder: Rosemount Aerospace Inc.
ST00143IBCabin and interiors
Installation of the ACES Inc. Seat Table Inset (STI) Assembly, Part Number 2521-4002, at the Middle Seat in the First Three (3) Left-Hand and Right-Hand Rows.
FAA holder: ACES Inc.
ST00126IBOther aircraft modifications
Replacement of Halon agent with alternate Halon-free Portable Fire Extinguisher agent.
FAA holder: AMAC Aerospace Switzerland AG
ST00105IBOther aircraft modifications
Introduction of Activation of Wireless Charging Systems for Portable Electronic Devices.
FAA holder: AMAC AEROSPACE SWITZERLAND AG
ST00898DECabin and interiors
Installation of Glide Lite In-Flight Entertainment System.
FAA holder: Burrana Inc.
ST04131NYAircraft connectivity
Installation of the Ka-Band Antenna and systems installation.
FAA holder: Lufthansa Technik AG
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.
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.
ST00055IBSafety and emergency equipment
Installation of Eastern Aero Marine (EAM) Model ES-320F escape slide.
FAA holder: Lufthansa Technik AG
ST03739NYOther aircraft modifications
Electromagnetic Compatibility (EMC) for RF Systems installation on electromagnetic compatibility testing on Airbus A321 series aircraft.
FAA holder: ALOFT AeroArchitects
ST04520CHOther aircraft modifications
Installation of Rosemount Aerospace Aircraft Interface Device (AID) Data Loader Provisions in accordance with Rosemount Aerospace Inc. Master Data List, Doc. No. D000022110, Revision A, dated June l, 2022, or laterFAA approved revisions.
FAA holder: Rosemount Aerospace Inc
ST04520ATOther aircraft modifications
Installation of Rockwell Collins GLU-2100 Multi Mode Receivers (MMR).
FAA holder: Woven Electronics LLC
ST04696NYAircraft connectivity
Installation of KA-Band System Broadband Provisions.
FAA holder: EAD Aerospace Airworithiness
ST02656SEOther aircraft modifications
Installation of a flight attendant crew rest curtain.
FAA holder: Commercial Aircraft Interiors
ST03974ATOther aircraft modifications
Installation of a International Communications Group ICS-120A/220A Iridium Communications System.
FAA holder: Avionics Support Group Inc.
ST04679NYCabin and interiors
Installation of Cabin Air Recirculation Filter Cartridge Replacement.
FAA holder: Aeroconseil
ST02741LACargo and special mission
Installation of Main Deck Cargo Loading System (MDCLS.
FAA holder: Telair International
ST02742LACargo and special mission
Installation of Main Deck Cargo Floor Panel System (CFPS.
FAA holder: Telair International
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
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
ST04150ATOther aircraft modifications
Installation of an Aviator 300(D) Communications System and Wireless Access Point.
FAA holder: Avionics Support Group Inc.
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
ST02611LAAircraft connectivity
Installation of the Thales Ka Broadband Connectivity System.
FAA holder: Thales Avionics Inc
ST11214DSOther aircraft modifications
Installation of Dukane underwater acoustic beacon.
FAA holder: VT DRB Aviation Consultants
ST04157NYAvionics
Transponder upgrade for ADS-B Out capabilities (DO-260B compliant).
FAA holder: Fokker Services B.V.
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
ST02668LAOther aircraft modifications
Installation of Teledyne Controls Flight Data Interface Management Unit (FDIMU, P/N 2234320).
FAA holder: Teledyne Controls
ST04414ATOther aircraft modifications
Installation of Pall Aeropower Corporation FTIS pre-filter kit part number A290957STC.
FAA holder: Pall Aeropower Corporation
ST02577SEOther aircraft modifications
Installation of vortex generators.
FAA holder: Aviation Technical Services
ST01190ATAvionics
Installation of a Universal UNS-1M Navigation Management System with a Global Positioning System (GPS).
FAA holder: Honeywell International Inc.