Importers of HS 8807.30 (other parts of airplanes, helicopters or unmanned aircraft) from Korea, South actually paid 11.46% on the taxed portion of the value in 2026-06 — 0.19% across everything shipped, taxed or not. Measured from official duty receipts, not the rulebook: the statutory MFN base rate on this code is Free. Over the window the rate on the taxed portion moved null% → 11.46%, with the largest single step -47.7pp in 2026-02. Measured from official US duty receipts · as-of 2026-06 · confidence: measured, not modelled. The HTS base rate is Free — importers actually paid 11.46%, so the trade-war overlay added 11.5 pts, measured at the border (not a summed rulebook estimate). Reproduce exactly: tariff_story(hs: "8807.30", origin: "Korea, South") · see it at trimtabist.com/tariffs
HS 8807.30. The schedule base rate is Free; importers from South Korea actually paid 11.46% on the dutiable value in 2026-06 — the trade-war overlay added 11.5 points, measured at the border. Measured, not modelled.
Over the window the collected rate moved % (2023-07) → 11.46% (2026-06), largest single step -47.7pp in 2026-02.
Korea, South's lower duty (0.19% vs 24.87%) lets it price up to 24.6% above China at the factory and still match on duty-inclusive customs cost. But on the LATEST measured prices, China actually lands cheaper — $111.22/kg vs $154.59/kg (duty in, freight out).
All goods from South Korea · the whole tariff ledger · 2 CBP rulings cite this code · reproduce: tariff_story(hs: "8807.30", origin: "South Korea") via /connect. Not customs or legal advice.