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AeroTime
• Stephen Pope
Supreme Court ruling on IEEPA upends US tariff authority, forcing aviation to plan for policy whiplash
On Feb. 20, 2026 the U.S. Supreme Court struck down tariffs the administration imposed under the International Emergency Economic Powers Act, removing a key tool for rapid duties. Aerospace firms must now plan for shifting trade policy and uncertainty over whether new duties will cover aircraft, engines or components.
