Aircraft STC directory

Aerospatiale (Societe Nationale Industrielle Aerospatiale) ATR42-500 STCs

The cited FAA DRS record snapshots contain 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.

listed Current at snapshot

holder directories

modification categories

Oct 7, 2026

latest recorded revision

Modification demand surface

Other aircraft modifications5 Avionics1 Safety and emergency equipment1

Recorded holders

Rockwell Collins Inc4 Acron Aviation Inc.1 Honeywell International Inc1 Delta Engineering1

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.

ST01305WI-DAvionicsRevised Oct 7, 2026

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

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ST03166ATOther aircraft modificationsRevised Apr 1, 2025

Installation of L3 Communications Micro Quick Access Recorder (uQAR) models QAR100, 200 or 201.

FAA holder: Acron Aviation Inc.

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ST01925CHSafety and emergency equipmentRevised Nov 10, 2022

Installation of a Honeywell RESCU 406AF Emergency Locator Transmitter (ELT) System.

FAA holder: Honeywell International Inc.

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ST01310NYOther aircraft modificationsRevised Oct 25, 2007

Installation of Delta Engineering Installation Kit and Sagem (AFDAU).

FAA holder: Delta Engineering

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ST00844WI-DOther aircraft modificationsRevised Jul 20, 2006

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

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ST01394WI-DOther aircraft modificationsRevised Jul 12, 2006

Modification of a Collins CTL-23 or CTL-23C VHF COMM/NAV Control Panel System installation.

FAA holder: Rockwell Collins Inc

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ST01307WI-DOther aircraft modificationsRevised Jun 28, 2005

Modification of a Collins TVI-920/TVI-920D Vertical Speed/TCAS Indicator installation.

FAA holder: Rockwell Collins Inc

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