Civil Aircraft Attitude Indicator Gyroscope Mount
This precision mount secures the gyroscope in attitude indicators used in civil aircraft navigation systems, ensuring stable orientation readings during flight. It falls under HTS 9014.90.20.40 as a part of direction finding compasses and other navigational instruments (subheading 9014.20.80) specifically designed for civil aircraft. The mount is made from lightweight aluminum alloy to withstand aviation vibrations and temperature extremes.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If for use in non-navigational measuring instruments
If the part is suitable for broader optical or precision measuring equipment rather than dedicated navigation, it shifts to Chapter 90 measuring instruments.
If considered part of aircraft gas turbine assemblies
Parts principally used in aircraft engines rather than avionics would be classified under heading 8411 for turbojets.
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Import Tips & Compliance
• Obtain FAA supplemental type certificate (STC) documentation to verify compatibility with civil aircraft navigation systems
• Include detailed engineering drawings and material certifications in import declarations to avoid misclassification as general aircraft parts
• Ensure supplier provides traceability records linking the part to approved 9014.20.80 navigational instruments
Related Products under HTS 9014.90.20.40
VOR Receiver Antenna Coupler for Civil Aircraft
This specialized coupler connects the VOR (VHF Omnidirectional Range) receiver antenna to civil aircraft navigational computers, enabling accurate bearing information. Classified under HTS 9014.90.20.40 as a part of 9014.20.80 navigational appliances designed exclusively for civil aircraft. Constructed with RF shielding to prevent signal interference at cruising altitudes.
Aircraft Directional Gyro Horizon Reference Bracket
Precision-machined bracket that mounts directional gyros to provide stable horizon reference in civil aircraft instrument panels. Falls under HTS 9014.90.20.40 as a part of subheading 9014.20.80 navigational instruments specifically for civil aircraft. Anodized aluminum construction ensures vibration resistance and thermal stability.
Civil Aircraft ADF Loop Antenna Housing
Weatherproof housing assembly for Automatic Direction Finder (ADF) loop antennas used in civil aircraft navigation, protecting sensing elements from environmental extremes. Classified HTS 9014.90.20.40 as part of 9014.20.80 navigational appliances for civil aircraft. Features composite construction for radar transparency and lightning protection.
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.
Civil Aircraft Heading Reference System Flux Valve
Three-axis flux valve providing magnetic heading data to civil aircraft inertial reference systems for navigation. Classified HTS 9014.90.20.40 as component of 9014.20.80 direction finding compasses. Fluid-damped construction minimizes aircraft heading oscillations.
Civil Aircraft GPS Antenna Signal Amplifier Module
This low-noise amplifier module boosts GPS signals for civil aircraft navigation receivers, improving satellite acquisition in challenging flight conditions. It qualifies for HTS 9014.90.20.40 as a dedicated part of 9014.20.80 navigational appliances for civil aircraft use. Features phase-stable coaxial connectors and MIL-spec environmental sealing.