ST04575ATOther aircraft modifications
Installation of the Rockwell Collins ALT-1000+/ -4000+ with 5G Filtering.
FAA holder: Chippewa Aerospace Inc.
Aircraft STC directory
De Havilland Aircraft of Canada DHC-8-400 STCs
The Jun 30, 2026 FAA DRS snapshot contains 9 selected supplemental type certificates with status Current whose public applicability data names the De Havilland Aircraft of Canada DHC-8-400. Use it to identify modification scope and recorded holders—not to determine serial-number effectivity, compatibility, installation approval, or commercial availability.
9
listed Current at snapshot
7
holder directories
4
modification categories
Dec 5, 2023
latest recorded revision
Modification demand surface
Other aircraft modifications6
Landing gear and brakes1
Avionics1
Aircraft structures1
Recently revised DHC-8-400 STCs
Showing the 9 most recently revised records. Each entry links to the FAA source and separates public approval data from private commercial claims.
View record
ST00109IBOther aircraft modifications
Installation of the Flight Compartment Stowage Box.
FAA holder: Infinion Certification Engineering Inc.
ST00886NYOther aircraft modifications
Installation of Flight Deck Manual Stowage Box, in accordance with Aero Consulting Services Modification Data Summary Number B78600, Revision H, dated November 9, 2006, or later TCCA approved revision.
FAA holder: B/E Aerospace Limited
ST01689WILanding gear and brakes
Installation of Crane Aerospace & Electronics SmartStem Wireless Tire Pressure Sensing System.
FAA holder: ELDEC Corporation
ST04535CHOther aircraft modifications
Certification for Portable Electronic Devices (PED) Tolerance in accordance with Canard Aerospace Corporation (CAC), Document Control Drawing, Document Number 40224, Rev A, dated July 19, 2021, or later FAA approved revision.
FAA holder: Canard Aerospace Corporation
ST02635LAAvionics
Modification to replace the existing Mode S Transponder system with the ACSS NXT-600 Mode S Transponder with ADS-B Out.
FAA holder: Aviation Communication and Surveillance Systems (ACSS) LLC
ST01900WIAircraft structures
Heated (LH) Side Canopy Window Assembly replacement installation.
FAA holder: Lee Aerospace Inc.
ST04378NYOther aircraft modifications
Installation of the AFIRS 228 Automatic Flight Information and Reporting System.
FAA holder: FLYHT Aerospace Solutions Ltd
ST03247NYOther aircraft modifications
Replacement of existing Main, Auxiliary and Standby batteries with new 43 AH batteries.
FAA holder: SAFT America