FDR Interface and Power Supply Subassembly from United States
This integrated unit of power regulators, ARINC 429 interfaces, and connectors is joined for flight data recorders to ensure stable operation from aircraft power buses. It is a multi-part construction dedicated to FDR use. As a part of an electrical machine with individual functions, it is classified under tariff item 8543.90.00.
Duty Rate — United States → Canada
0%
Import Tips
• Classify this subassembly as a part of the FDR system, not as a standalone power supply
• Provide CBSA with the system architecture showing the subassembly's integrated role
• Verify if duty relief applies under Canadian aircraft parts programs