Flight Data Recorder Sensor Interface PCA
A specialized printed circuit assembly that interfaces multiple aircraft sensors with the flight data recorder, featuring analog-to-digital converters and isolation circuits. It handles inputs from accelerometers, gyroscopes, and pressure sensors essential for crash survivable memory units. Meets 8543.90.1500 criteria as a joined subassembly for FDR systems.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If for non-FDR aircraft sensor interfaces
Other electrical assemblies not dedicated to flight data recorders fall into general aviation PCA subheadings.
If considered part of aircraft instrument subassemblies
Aeronautical instrument parts have separate classifications outside Chapter 85 electrical assemblies.
If imported in bulk for various aircraft systems
Control panels or boards for multiple uses shift to boards equipped with two or more functions.
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Import Tips & Compliance
• Provide sensor compatibility certificates and interface specifications to demonstrate FDR-specific function
• Ensure anti-static packaging and ESD protection documentation for sensitive avionics imports
• Watch for pitfalls in declaring as 'general sensor boards' which could trigger reclassification
Related Products under HTS 8543.90.15.00
Flight Data Recorder Main Processing PCA
This printed circuit assembly serves as the core processing unit for flight data recorders, integrating microprocessors, memory chips, and signal conditioning circuits on a single board. It captures and processes critical flight parameters like altitude, speed, and attitude for black box systems. Classified under 8543.90.1500 as it is a multi-component PCA specifically assembled for flight data recorders.
FDR Data Storage Controller PCA
This PCA manages solid-state crash-survivable memory modules in flight data recorders, incorporating flash memory controllers and error correction circuitry. Designed for high-vibration, extreme-temperature environments per aviation standards. Specifically qualifies under HTS 8543.90.1500 for FDR subassemblies.
Flight Data Recorder Power Supply PCA
Printed circuit assembly providing regulated power distribution to FDR components, with redundant circuits and EMI filtering for aircraft 28VDC systems. Ensures continuous operation during flight emergencies. Classified as FDR subassembly under 8543.90.1500 due to multi-part construction for black box power management.
Flight Data Recorder Synchronization PCA
Printed circuit assembly providing precise time synchronization for FDR parameter recording, integrating GPS receivers and crystal oscillators. Ensures millisecond-accurate timestamps per crash investigation requirements. Qualifies under HTS 8543.90.1500 for FDR-specific subassemblies.
FDR Crash Survivability Interface PCA
This ruggedized PCA connects underwater locator beacons and crash-survivable memory units in flight data recorders, with shock-mounted components and sealing interfaces. Designed for 2000lb impact survival. HTS 8543.90.1500 classification for dedicated FDR subassemblies.
FDR Communications Interface PCA
This PCA enables ARINC 429 data bus communication between flight data recorder and aircraft avionics systems, featuring protocol transceivers and isolation transformers. Critical for real-time parameter acquisition. Falls under 8543.90.1500 as fastened multi-piece assembly for FDRs.