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US Supreme Court Strikes Down Trump Tariffs

February 23, 2026

3 min read

Key Takeaways

The US Supreme Court struck down tariffs imposed by President Donald Trump.
The court ruled that IEEPA does not authorize the president to levy tariffs.
US Customs will stop collecting IEEPA-based tariffs on February 24.
The White House has issued a proclamation for a temporary import surcharge.

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Strategic Implications

The ruling may indicate a shift in the balance of power between the executive and legislative branches on trade policy, which could have significant implications for the aviation industry. The introduction of a new import surcharge suggests that the administration is seeking to maintain some level of trade protection, which could lead to continued uncertainty for aviation companies.

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What Happened

Aviation Industry Faces Uncertainty Amid Shifting Tariff Policy

The US aviation industry is facing a new set of challenges after the US Supreme Court struck down tariffs imposed by President Donald Trump under the International Emergency Economic Powers Act. The court’s ruling has triggered a reset of tariff charges, with US Customs and Border Protection set to stop collecting IEEPA-based tariffs on February 24. The White House has already moved to replace the tariffs with a temporary import surcharge, citing Section 122 of the Trade Act of 1974 as authority. The changes to tariff policy are creating uncertainty for aviation companies, which rely on a complex global supply chain and long lead times for planning. The National Business Aviation Association is reviewing the ruling and tracking the administration’s response, and has scheduled a member webinar to discuss the decision and next steps. The situation was first reported by AeroTime.

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