STC ST04437AT
FAA DRS lists ST04437AT as Current · Issued, held by Chippewa Aerospace Inc, for ATR - GIE Avions de Transport Régional ATR42-200, ATR - GIE Avions de Transport Régional ATR42-300, and ATR - GIE Avions de Transport Régional ATR42-320, and 7 more aircraft configurations. Recorded change: Replacement/Upgrade of HT1000 NPR (Nav Processor Unit) and the HT9100 NPR. Snapshot dated June 30, 2026.
Recorded modification
What the FAA record covers
ST04437AT identifies the approval, recorded holder, named aircraft, and modification scope. It does not confirm kit availability, serial-number effectivity, data rights, price, or installation authority.
Applicability
Aircraft named in FAA DRS
Named aircraft: ATR - GIE Avions de Transport Régional ATR42-200, ATR - GIE Avions de Transport Régional ATR42-300, and ATR - GIE Avions de Transport Régional ATR42-320, and 7 more aircraft configurations. Confirm the approved model list, serial effectivity, configuration, and certificate revision.
Related other aircraft modifications STCs
Installation of WX-1000E Stormscope System.
FAA holder: Gulfstream Aerospace Corporation
Installation of a L-3 Model FA2100 Cockpit Voice Recorder (CVR) System.
FAA holder: Chippewa Aerospace, Inc.
Installation of Cockpit Sun Visor.
FAA holder: Rosen Sunvisor Systems LLC
FAA record reference
- STC number
- ST04437AT
- Product
- Aircraft · Large Airplane
- Country
- United States
- Application date
- August 15, 2018
- Revision date
- December 18, 2018
- CFR references
- Part 21, Part 25, Part 26