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Experts question U.S. president’s threat to decertify new Canadian planes

Trump targets Bombardier with threats to decertify new Canadian aircraft and impose 50% tariffs, risking disruption to 5,400 Canadian-built planes in U.S. service, experts warn.

  • On Thursday, Trump threatened to decertify Bombardier Global Express and `all Aircraft made in Canada` in a Truth Social post, saying it would ground them and impose 50 per cent tariffs.
  • Amid a certification dispute, Gulfstream's G700 and G800 remain uncertified in Canada, with de-icing concerns noted, and Trump accused Ottawa of refusing to certify four Gulfstream jets, framing it as illegal.
  • Experts said Mr. Trump likely lacks authority to order decertification and warned the FAA may not have legal power to ground planes at the president's whim, as Ross Aimer noted, `This is really strange, because certification of aircraft is a very, very long process. It takes years.`
  • Quebec and federal officials vowed to defend the aerospace sector, saying diplomats in Ottawa worked behind closed doors Friday while a White House official confirmed only aircraft not yet off assembly lines would be affected.
  • Unions warned that politicized decertification could threaten thousands of jobs and harm U.S.-Canada supply chains, given the high U.S. content in Canadian-assembled jets.
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castanet.netcastanet.net
+10 Reposted by 10 other sources
Center

Experts question U.S. president's threat to decertify new Canadian planes

Experts are casting doubt on U.S. President Donald Trump's ability to ban new Canadian-made aircraft from American skies in a proposed move that would deal a blow to plane makers, airlines and travellers on both sides of the border.

·Kelowna, Canada
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Center

"Le Devoir" decorates the issue with John Gradek, an aviation expert.

·Montreal, Canada
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TVA NouvellesTVA Nouvelles
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Le Journal de QuebecLe Journal de Quebec
Lean Left

Bombardier's action plunged by 6% Friday after President Donald Trump's threats against the Quebec company.

·Montreal, Canada
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ORF.at News broke the news in Vienna, Austria on Friday, January 30, 2026.
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