Trig TT31 Autopilot Transponder Interface from Germany
Trig TT31 integrates Mode S transponder data directly to autopilots for enhanced situational awareness automation. Classified HTS 9014.20.40.00 as aeronautical navigation automatic pilot accessory. Enables altitude capture and RAIM prediction.
Duty Rate — Germany → United States
10%
Rate breakdown
9903.05.3910%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.97, articles the product of a member state of the European Union, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 10 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• Transponder/autopilot bundles need unified classification rulings
• EU ETSO equivalence statements aid US import validation
• Firmware version specifics prevent software undervaluation issues