Trump's Canada Aircraft Threat Could Backfire on US Aviation

When Donald Trump threatened 50% tariffs on Canadian aircraft Thursday night, Bombardier shares plunged 9% by Friday morning. But the real casualties of this trade threat might be closer to home than the president intended.

The Midnight Threat

Trump's late-night Truth Social post caught the aviation world off guard. Unless Canada immediately certifies the latest Gulfstream aircraft, he warned, "I am going to charge Canada a 50% Tariff on any and all aircraft sold into the United States of America."

The threat extended beyond tariffs. Trump said he was "decertifying their Bombardier Global Expresses, and all Aircraft made in Canada" until the Gulfstream planes—manufactured by US defense contractor General Dynamics—received Canadian approval.

While a White House official clarified that Trump wasn't suggesting decertifying Canadian planes currently in operation, the damage was already done. Aviation lawyers reported fielding panicked calls from clients who own or want to buy Bombardier jets.

America's Aviation Dependency

Here's the uncomfortable truth: if Trump follows through, American aviation could suffer more than Canadian manufacturers. According to data provider Cirium, 5,425 Canadian-made aircraft currently operate in US airspace, including narrow-body jets, regional aircraft, and helicopters.

American Airlines and Delta Air Lines rely heavily on Canadian-built planes for regional services. Grounding these aircraft would create massive disruptions to domestic US air travel—hardly the outcome Trump likely envisioned when targeting Canada.

The business aviation sector faces particular vulnerability. The US represents the world's largest market for private jets, with 150Global Express aircraft registered domestically and operated by 115 different companies.

The Boomerang Effect

This episode illustrates a fundamental challenge of modern trade warfare: global supply chains make it nearly impossible to hurt trading partners without inflicting self-damage. Bombardier employs over 3,000 Americans across nine major US facilities and supports thousands more jobs through 2,800 US suppliers.

"Thousands of private and civilian jets built in Canada fly in the US every day," Bombardier noted in its response. "We hope this is quickly resolved to avoid a significant impact to air traffic and the flying public."

The timing seems particularly puzzling given that aircraft and aerospace parts had largely escaped Trump's previous trade wars. Canadian planes continued flowing south under the USMCA trade agreement without major disruption.

Broader Tensions

The aircraft threat reflects escalating US-Canada tensions beyond aviation. Canadian Prime Minister candidate Mark Carney recently urged nations to "accept the end of the rules-based global order that Washington had once championed," citing US trade policy as justification.

Such rhetoric suggests deeper fractures in what was once considered North America's most stable bilateral relationship. The question is whether trade threats represent effective diplomacy or merely create new problems for both sides.