Canadian-made aircraft have drawn the ire of US President Donald Trump, who is threatening to "de-certify" Canadian aircraft and levy a 50% tariff on those sold in the USA - unless Canada issues certifications for US-manufactured Gulfstream jets.

US President Donald Trump has threatened to impose 50% tariffs on Canadian planes in retaliation for Canada "wrongfully, illegally, and steadfastly" refusing to certify a number of planes made by US f...

In a social-media post, Trump threatened 50% tariffs on Canadian-made planes sold in the U.S., and said he would decertify all aircraft made in Canada, in retaliation for Canada not yet certifying cer...