TCAS Directional Antenna Feed Network
Microwave feed network distributing signals to Traffic Collision Avoidance System (TCAS) directional antennas in civil aircraft. HTS 9014.90.20.40 as part of 9014.20.80 navigational appliances for collision avoidance in civil aviation. Phase-matched Butler matrix design for beam steering.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If general radar apparatus parts
TCAS components viewed as radar rather than primary navigation classify under Chapter 85.
If other electrical machines accessories
Microwave networks without specific TCAS/navigational function default to electrical machinery.
Not sure which classification is right?
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Import Tips & Compliance
• Provide TCAS 7.1 protocol compliance and 1030/1090 MHz frequency specifications for classification
• Include FAA AC 20-131A TCAS installation criteria documentation
• Avoid declaring as general microwave network risking Chapter 85 classification
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