Summary (tl;dr)

Former President Donald Trump has issued a new threat to block Canadian aircraft manufacturer Bombardier from selling jets in the United States unless the company begins manufacturing them domestically, intensifying an ongoing trade dispute between the U.S. and Canada. This escalation comes as both countries impose new tariffs on each other's goods.

Essential Background

The current tensions are rooted in a long-standing trade rivalry and Trump's "America First" policies. During his previous administration, a significant trade dispute erupted between U.S. aerospace giant Boeing and Bombardier over alleged unfair Canadian government subsidies for Bombardier's C-Series jets. Although the U.S. Commerce Department initially imposed nearly 300% tariffs, the U.S. International Trade Commission (ITC) ultimately overturned them in 2018, ruling that Boeing was not materially harmed. Consequently, Bombardier sold a majority stake in the C-Series program to Airbus, which then established an assembly line in Mobile, Alabama, to circumvent future duties. More recently, in January 2026, Trump threatened 50% tariffs on Canadian-made aircraft and considered decertifying Bombardier business jets amidst a dispute over Canada's certification of U.S.-made Gulfstream planes, an issue that appeared to recede after Canada approved the Gulfstreams.

The Full Story

On Monday, September 7, 2026, former President Donald Trump declared via a Truth Social post that Bombardier aircraft can no longer be sold in the United States unless the company establishes manufacturing operations within the U.S. Trump asserted that over 50% of Bombardier's revenue comes from the U.S. market while accusing Canada of restricting American companies, specifically citing Gulfstream Aerospace. This ultimatum marks an escalation in a broader trade conflict, with the U.S. having imposed 50% tariffs on certain Canadian imports in August, and Canada implementing retaliatory tariffs of up to 50% on approximately C$27.6 billion (US$20 billion) worth of U.S. goods, effective Tuesday, September 8, 2026. Despite Trump's remarks, Bombardier maintains a significant U.S. presence, supporting thousands of American jobs and working with around 2,800 U.S. suppliers. The White House has not yet clarified how such a sales ban would be enforced.

Why It Matters

This development significantly impacts the aerospace industry, trade relations between the U.S. and Canada, and Bombardier's business strategy. The threat of a sales ban creates considerable uncertainty for Bombardier's operations and its thousands of U.S. customers and suppliers. It could also benefit Bombardier's U.S. rivals, such as Gulfstream, by potentially shifting market share within the business jet segment. The renewed pressure underscores the ongoing volatility of international trade policy under a Trump administration and highlights the challenges faced by global companies navigating protectionist measures. The escalating tariff war also threatens to destabilize the broader economic relationship between two historically close trading partners.

Geographic Location

• United States (threat of sales restriction on Bombardier aircraft, imposition of tariffs on Canadian imports)
• Canada (source of Bombardier, imposition of retaliatory tariffs on US goods)
• Washington, D.C., District of Columbia, United States (location of US government making tariff decisions; past ITC rulings)
• Montreal, Quebec, Canada (Bombardier's headquarters; a significant employer in the province)
• Wichita, Kansas, United States (Bombardier's defense division facility)
• Texas, United States (Bombardier facility)
• Mobile, Alabama, United States (Airbus assembly line for A220, formerly Bombardier C-Series, established due to previous trade dispute)