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.
Modification demand surface
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.
Installation of a Honeywell RESCU 406AF Emergency Locator Transmitter (ELT) System.
FAA holder: Honeywell International Inc.
Installation of a Bendix/King KLN 900 GPS Navigation System.
FAA holder: Armstrong Aerospace
Installation of Ancra mechanical main deck cargo loading system.
FAA holder: Ancra International LLC
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
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
Cockpit voice recorder replacement with Universal CVR 30B or CVR120.
FAA holder: MidCanada Mod Center
Installation of dual FMS Universal UNS-1F MMMS and dual Honeywell LASEREF-V IRS system.
FAA holder: Northrop Grumman Corporation California Microwave Systems
Installation of flight management system.
FAA holder: Learjet Inc
Installation of Overhead Bins (P/N COMATRO HBA/001/-003 and CBFP0101.
FAA holder: Comtek Advanced Structures Ltd.
Installation of Galley Structures (P/N CG42A0100 and CG72A0100).
FAA holder: Comtek Advanced Structures Ltd.