8543.90.00/Flight Data Recorder Sensor Interface PCA/China

Flight Data Recorder Sensor Interface PCA from China

This specialized printed circuit assembly interfaces multiple aircraft sensors with the flight data recorder, featuring analog-to-digital converters and isolation circuits. It handles inputs from accelerometers, gyroscopes, and other sensors. As a part of an electrical machine with individual functions, it is classified under tariff item 8543.90.00.

Duty Rate — China → Canada

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Import Tips

• Document the PCA's role in converting sensor signals for the FDR to support classification as a part

• Ensure the product is not declared as a sensor or transducer of heading 90.31

• Verify whether duty relief applies under Canadian aircraft maintenance regulations