Civil Aircraft Heading Reference System Flux Valve from Mexico
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.
Duty Rate — Mexico → United States
10%
Rate breakdown
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
Import Tips
• Include magnetic declination correction algorithms and sensor alignment procedures in technical files
• Provide ARINC 719 flux valve interface specifications linking to approved heading systems
• Document civil aircraft installation prevents general sensor classification