Flight Data Recorder Thermal Protection Assembly
This thermal protection assembly consists of insulation layers, heat shields, and mounting frames joined to protect flight data recorder electronics from fire exposure up to 1100°C. It is classified under tariff item 8543.90.00 as a specialized fastened assembly dedicated to flight data recorders.
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 assembly is imported as a complete machine with individual functions
The assembly might be considered a complete electrical machine if it performs a distinct function on its own.
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 as a part of flight data recorders, not as a fire-protection article of another chapter
• Keep records of the assembly's specifications to justify its dedicated use
• Check if the goods are eligible for reduced duty rates under trade agreements
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.