Trump Threatens 50 Percent Tariff on Canadian Aircraft, Bombardier Stock Plunges
MONTREAL, Canada — Shares of Bombardier Inc. tumbled more than seven percent on Jan. 30 after U.S. President Donald Trump threatened to impose a 50 percent tariff on all Canadian-made aircraft and decertify the company’s Global Express business jets, escalating trade tensions between the neighboring nations to unprecedented levels in the aerospace sector.
The threat, delivered via Trump’s Truth Social platform late Thursday, marks the first time aircraft have been drawn into the broader trade dispute between Washington and Ottawa. The president accused Canada of blocking certification for several Gulfstream models manufactured by General Dynamics Corp. in Savannah, Georgia, calling the delay “illegal” and demanding immediate action.
Trump’s declaration specifically targeted Bombardier’s flagship Global series, which competes directly with Gulfstream in the ultra-long-range business jet segment. The Montreal-based manufacturer derives roughly 64 percent of its revenue from American customers, making any trade restriction potentially devastating to its business model.
The dispute centers on Transport Canada’s handling of certification for Gulfstream’s G700 and G800 jets. While the Federal Aviation Administration granted Gulfstream a time-limited exemption through 2026 allowing deliveries to proceed despite incomplete fuel system icing tests, Canadian regulators have declined to extend similar accommodations. The FAA determined that changes in fuel system routing required fresh testing to ensure the system functions properly when ice may form, but allowed commercial operations to continue in the interim.
Aviation experts pushed back on Trump’s characterization of the certification delay. John Gradek, who teaches aviation leadership at McGill University, called the president’s framing “nonsense,” explaining that Transport Canada is simply reviewing paperwork related to electronics and navigation system changes that extend the aircraft’s range and payload capabilities.
The broader implications of Trump’s threat sent shockwaves through the aviation industry. According to analytics firm Cirium, approximately 5,425 Canadian-built aircraft are currently registered in the United States, including narrow-body jets, regional aircraft, and helicopters operated by major carriers. Delta Air Lines operates 46 Airbus A220 jets assembled in Canada, while numerous regional operators fly Bombardier CRJ aircraft on behalf of mainline carriers.
A White House official later clarified that the decertification threat would apply only to new aircraft rather than planes already in service, tempering immediate concerns about widespread groundings. But the distinction did little to calm markets or industry stakeholders uncertain about the regulatory mechanism Trump would employ.
Industry analysts warned that weaponizing aircraft certification for economic purposes could destabilize the entire global aviation system. Richard Aboulafia, managing director of AeroDynamic Advisory, characterized the approach as “an incredibly bad idea,” noting that other countries could adopt similar tactics against American manufacturers.
Bombardier responded with measured concern, noting that its aircraft, facilities, and technicians maintain full FAA certification standards. The company emphasized its deep integration with the American economy, citing more than 2,800 U.S.-based suppliers across 47 states and approximately 3,000 employees at nine domestic facilities. More than half the manufacturing cost of Bombardier’s Global 7500 comes from American suppliers, with wings produced in Texas, avionics in Iowa, and motors in Indiana.
The trade confrontation comes amid deteriorating relations between Trump and Canadian Prime Minister Mark Carney, whose speech at the World Economic Forum in Davos last week implicitly criticized American trade policy and called for middle powers to band together against economic coercion. Trump has repeatedly expressed frustration with Carney’s remarks, threatening 100 percent tariffs on Canadian goods if Ottawa pursues trade agreements with China.
For Bombardier, which exited commercial aviation years ago to focus exclusively on business jets, any sustained restriction on U.S. market access would strike at the company’s core franchise. The Global 8000, certified by the FAA just last December, represents the fastest civilian aircraft since the Concorde and competes directly against the very Gulfstream models at the center of the dispute.
The irony of targeting Bombardier to pressure Canada into approving an American competitor was not lost on aviation observers. Both companies dominate the large-cabin, long-range segment favored by corporate and government clients, meaning any trade barrier theoretically benefits Gulfstream while simultaneously disrupting supply chains that serve American manufacturers, airlines, and operators.
Whether Trump’s threat materializes into concrete action remains uncertain. His trade tactics frequently begin with aggressive opening positions that moderate through negotiation. But the introduction of aviation into an already contentious bilateral relationship suggests the dispute between Washington and Ottawa may intensify before any resolution emerges.
Photo Credit: David Syphers
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