ST03166ATOther aircraft modifications
Installation of L3 Communications Micro Quick Access Recorder (uQAR) models QAR100, 200 or 201.
FAA holder: Acron Aviation Inc.
Aircraft STC directory
Aerospatiale (Societe Nationale Industrielle Aerospatiale) ATR42-320 STCs
The Jun 30, 2026 FAA DRS snapshot contains 18 selected supplemental type certificates with status Current whose public applicability data names the Aerospatiale (Societe Nationale Industrielle Aerospatiale) ATR42-320. Use it to identify modification scope and recorded holders—not to determine serial-number effectivity, compatibility, installation approval, or commercial availability.
18
listed Current at snapshot
11
holder directories
6
modification categories
Apr 1, 2025
latest recorded revision
Modification demand surface
Other aircraft modifications10
Avionics4
Safety and emergency equipment1
Cargo and special mission1
Landing gear and brakes1
Cabin and interiors1
Recently revised ATR42-320 STCs
Showing the 18 most recently revised records. Each entry links to the FAA source and separates public approval data from private commercial claims.
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ST01925CHSafety and emergency equipment
Installation of a Honeywell RESCU 406AF Emergency Locator Transmitter (ELT) System.
FAA holder: Honeywell International Inc.
SA8860SWOther aircraft modifications
Replace core assembly of AiResearch Primary/Secondary Air-to-Air Heat Exchangers, part numbers 194776-1, SR1; 194776-2, SR1; and 194776-2, SR2.
FAA holder: Honeywell International Inc.
ST01995CHAvionics
Installation of a Bendix/King KLN 900 GPS Navigation System.
FAA holder: Armstrong Aerospace
ST01551LACargo and special mission
Installation of Ancra mechanical main deck cargo loading system.
FAA holder: Ancra International LLC
ST01310NYOther aircraft modifications
Installation of Delta Engineering Installation Kit and Sagem (AFDAU).
FAA holder: Delta Engineering
ST02319NYOther aircraft modifications
Installation of Dual Sagem F227 APIRS Attitude and Heading Reference System.
FAA holder: First Air
ST01305WI-DAvionics
Modification of a Collins ALT-50A or ALT-55B Radio Altimeter system installation to a Collins ALT-1000 or ALT-4000 Radio Altimeter system installation in accordance with Collins Drawing Index as listed on AML No. ST01305WI-D, Revision -, or later FAA approved revision.
FAA holder: Rockwell Collins Inc
ST00844WI-DOther aircraft modifications
Modification of Collins TCAS II or TCAS-94 (TCAS II) system installation with Collins TTR-920 Change 7.0 Receiver Transmitter to a Collins TCAS II or TCAS-94 OTCAS II) system installation with Collins TTR-921 or Collins TTR-4000 Change 7.0 TCAS Receiver Transmitter.
FAA holder: Rockwell Collins Inc
ST01394WI-DOther aircraft modifications
Modification of a Collins CTL-23 or CTL-23C VHF COMM/NAV Control Panel System installation.
FAA holder: Rockwell Collins Inc
ST01307WI-DOther aircraft modifications
Modification of a Collins TVI-920/TVI-920D Vertical Speed/TCAS Indicator installation.
FAA holder: Rockwell Collins Inc
ST01946NYOther aircraft modifications
Cockpit voice recorder replacement with Universal CVR 30B or CVR120.
FAA holder: MidCanada Mod Center
ST01925NYAvionics
Installation of dual FMS Universal UNS-1F MMMS and dual Honeywell LASEREF-V IRS system.
FAA holder: Northrop Grumman Corporation California Microwave Systems
ST00040DE-DOther aircraft modifications
Installation of flight management system.
FAA holder: Learjet Inc
ST00191DE-DAvionics
Installation of a Universal Avionics Systems Corporation UNS-1M Flight Management System (FMS).
FAA holder: Learjet Inc
ST01253NYOther aircraft modifications
Installation of Overhead Bins (P/N COMATRO HBA/001/-003 and CBFP0101.
FAA holder: Comtek Advanced Structures Ltd.
ST01254NYCabin and interiors
Installation of Galley Structures (P/N CG42A0100 and CG72A0100).
FAA holder: Comtek Advanced Structures Ltd.