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%Section 301 (forced labor) — European Union member state (col1 rate < 10 percent): MFN < 10% → total duty capped at 10%
Import Tips
• Transponder/autopilot bundles need unified classification rulings
• EU ETSO equivalence statements aid US import validation
• Firmware version specifics prevent software undervaluation issues