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Aircraft STC directory
ATR - GIE Avions de Transport Régional ATR42-320 STCs
The cited FAA DRS record snapshots contain 41 selected supplemental type certificates with status Current whose public applicability data names the ATR - GIE Avions de Transport Régional ATR42-320. Use it to identify modification scope and recorded holders—not to determine serial-number effectivity, compatibility, installation approval, or commercial availability.
41
listed Current at snapshot
29
holder directories
9
modification categories
Aug 27, 2026
latest recorded revision
Modification demand surface
Recorded holders
Northrop Grumman Systems Corporation3Mid Canada Mod Center2Chippewa Aerospace, Inc.2Aviation Communication and Surveillance Systems (ACSS) LLC2Rockwell Collins Inc2PMV Engineering1Eirtech Aviation Services Limited1Libellule Monde Inc.1Aero Technik Inc.1365 AEROSPACE DDS LIMITED1STG Aerospace Inc.1Woven Electronics LLC1Aeroconseil1Med-Pac Inc.1Delta Engineering Corporation1Northeast Engr & Dev Ltd1Securaplane Technologies1U.S. Technical1LiteAir Aviation Products Inc1AeroMech Incorporated1
Recently revised ATR42-320 STCs
Showing the 41 most recently revised records. Each entry links to the FAA source and separates public approval data from private commercial claims.
Installation of ERT/CNG/1579 Fuselage Protection for Unpaved Runway for Belly Fuselage Skin Panels.
FAA holder: EIRTECH AVIATION SERVICES LIMITED
Installation of interior placards, signs and markings.
FAA holder: Libellule Monde Inc.
Installation of the Dual SFIM F227 APIRS.
FAA holder: Mid Canada Mod Center
Passenger to all cargo conversion.
FAA holder: IPR M7 CONVERSIONS (USA) LIMITED c/o Vistra International
Installation of a Global AirWorks Cockpit Door Surveillance System.
FAA holder: Aero Technik Inc.
Installation of the Rockwell Collins TDR-94D Transponder Upgrade.
FAA holder: Mid Canada Mod Center
Installation of an air ambulance conversion kit.
FAA holder: Med-Pac Inc.
Replacement of the HT1000 MCDU (Multi-Function Control Display Unit) with the HT9100 MCDU.
FAA holder: Chippewa Aerospace Inc
Update of Delta Engineering Synchro's and Sagem ED36 FDAU with APM (Aircraft Performance Monitor).
FAA holder: Delta Engineering Corporation
Replacement/Upgrade of HT1000 NPR (Nav Processor Unit) and the HT9100 NPR.
FAA holder: Chippewa Aerospace Inc
For ATR 42 Model Aircraft and ATR 72 Model Aircraft Installation of gravel protection.
FAA holder: Northeast Engr & Dev Ltd
Introduction of a 16G New Generation Stretcher XL P/N 1120030-Series.
FAA holder: Bucher Leichtbau AG
Installation of Hawker 9750W0538 (24V 40Ah) and 9750W0350-5 (24V 18Ah) sealed lead-acid battery.
FAA holder: Securaplane Technologies
Installation of lightweight window plugs.
FAA holder: LiteAir Aviation Products Inc
Installation of dual Garmin GTX3000 transponders with ADS-B Out.
FAA holder: AeroMech Incorporated
Installation of the SkyTrac Flight Following/SATCOM System.
FAA holder: SkyTrac Systems Ltd.
Installation of dual Garmin GTN 725 GPS Navigator System with dual Garmin GA36 WAAS/GPS antennas.
FAA holder: Garmin International Inc
Installation of the CMA-6800 AMLCD EFIS Displays.
FAA holder: Canard Aerospace Corporation
Installation of T2CAS with TCAS version 7.1.
FAA holder: Aircraft Communication & Surveillance Systems
Installation of replacement Teledyne Battery Products.
FAA holder: Teledyne Battery Products
Installation of TCAS version 7.0.
FAA holder: Aviation Communication and Surveillance Systems (ACSS) LLC
Installation of ACSS T2CAS.
FAA holder: Aviation Communication and Surveillance Systems (ACSS) LLC
Modification of Rockwell Collins, Inc. VHF-4000 and VHF-4000E installations.
FAA holder: Rockwell Collins Inc
Installation of Fuselage Side Fairings.
FAA holder: Northrop Grumman Systems Corporation
One Time Supplemental Type Certificate approval for the installation of a Cabin Power System.
FAA holder: Northrop Grumman Systems Corporation
One Time Supplemental Type Certificate approval for the installation of Cabin Interior Modification.
FAA holder: Northrop Grumman Systems Corporation
Installation of Honeywell Mk VIII EGPWS system.
FAA holder: ATS International
Modification from a passenger to an all-cargo Class E Configuration.
FAA holder: ATS International
Installation of SP444, TCA1742, TSP442, 1656, and 4078 batteries.
FAA holder: Aviall Services, Inc.