Trump threatens to decertify Canadian-made aircraft and impose 50% tariff

President Trump on Jan. 29, 2026 said on social media that he would “decertify all aircraft made in Canada” and threatened a 50 percent tariff on them, escalating a dispute with Canada over certification of American-made business jets. Industry officials said federal regulators clarified that Mr.

Trump’s statement was meant to apply only to new aircraft certifications. The Federal Aviation Administration referred questions to the White House, which did not respond to a request for clarification. Two industry officials, speaking on condition of anonymity, said regulators had advised the statement was intended only for new certifications.

The F.A.A. has legal agreements with manufacturers and international bilateral agreements with foreign civil aviation regulators that the agency says would complicate revoking certifications, which are often awarded reciprocally. Transport Canada generally accepts F.A.A. certifications but varied from that practice after questions were raised about U.S.

oversight of Boeing following two fatal 737 Max crashes in 2018 and 2019. The dispute comes as relations between the United States and Canada have recently turned tense: Prime Minister Mark Carney of Canada described a “rupture,” and Mr. Trump disinvited him to a U.S. advisory group on Gaza reconstruction.

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