CP NewsAlert: Trump threatens tariffs, decertification on Canadian-made aircraftBy Canadian Press on January 29, 2026. WASHINGTON — U.S. President Donald Trump is threatening to decertify and tariff Canadian-made aircraft, singling out Bombardier. In a post on social media tonight, Trump alleges Canada refuses to certify Gulfstream aircraft. More to come. Kelly Geraldine Malone, The Canadian PressShare this story:-6