Aircraft STC directory
Aerospatiale (Societe Nationale Industrielle Aerospatiale) ATR42-500 STCs
The Jun 30, 2026 FAA DRS snapshot contains 7 selected supplemental type certificates with status Current whose public applicability data names the Aerospatiale (Societe Nationale Industrielle Aerospatiale) ATR42-500. Use it to identify modification scope and recorded holders—not to determine serial-number effectivity, compatibility, installation approval, or commercial availability.
7
listed Current at snapshot
4
holder directories
3
modification categories
Apr 1, 2025
latest recorded revision
Modification demand surface
Recently revised ATR42-500 STCs
Showing the 7 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.
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