FDR Interface and Power Supply Subassembly
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.
Import Duty Rates by Country of Origin
| Origin Country | MFN Tariff | Surtaxes | Total Effective Rate |
|---|---|---|---|
| 🇨🇳China | Free | — | Free |
| 🇲🇽Mexico | Free | — | Free |
| 🇺🇸United States | Free | — | Free |
| 🇩🇪Germany | Free | — | Free |
| 🇯🇵Japan | Free | — | Free |
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If the subassembly is a standalone static converter
Static converters are classified in heading 85.04.
If the subassembly performs a complete individual function
Complete functional electrical machines fall under heading 85.43.
If the subassembly includes switching apparatus for electrical control
Control boards and panels are classified in heading 85.37.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right tariff item — and can price the duty on it in the same conversation.
Import Tips & Compliance
• 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
Related Products under Tariff item 8543.90.00
E-Beam Crucible for PVD Evaporation
A high-temperature ceramic or metal crucible designed to hold evaporant materials in electron beam physical vapor deposition (PVD) sources. It is a part of PVD apparatus classified under tariff item 8543.70, as it is essential for the evaporation process and is not a separate machine or apparatus.
FDR ARINC 717 Data Interface Subassembly
This assembly of digital protocol converters, buffers, and connectors is compliant with ARINC 717 standards for flight data recorder communication with aircraft systems. 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.
FDR Communications Interface PCA
This printed circuit assembly enables ARINC 429 data bus communication between a flight data recorder and aircraft avionics systems. It features protocol transceivers and isolation transformers, and is critical for real-time parameter acquisition. As a part of an electrical machine with individual functions, it is classified under tariff item 8543.90.00.
FDR Crash Survivability Interface PCA
This ruggedized printed circuit assembly connects underwater locator beacons and crash-survivable memory units in flight data recorders. It features shock-mounted components and sealing interfaces, designed for 2000lb impact survival. As a part of an electrical machine with individual functions, it is classified under tariff item 8543.90.00.
FDR Data Acquisition Unit Subassembly
This joined assembly of analog-to-digital converters, multiplexers, and interface boards is designed for flight data recorders to capture parameters like altitude and speed. It is a multi-part unit dedicated to FDR data acquisition. As a part of an electrical machine with individual functions, it is classified under tariff item 8543.90.00.
FDR Data Storage Controller PCA
This printed circuit assembly manages solid-state crash-survivable memory modules in flight data recorders, incorporating flash memory controllers and error correction circuitry. It is designed for high-vibration, extreme-temperature environments. As a part of an electrical machine with individual functions, it is classified under tariff item 8543.90.00.