“Mr. Trump made a similarly alarming statement last month that appeared to threaten to ground all Canadian-built aircraft currently flying in the United States over a regulatory dispute, but air industry regulators quickly clarified that his statement was meant to apply only to new aircraft certifications and that air travel would not be disrupted by the president’s threat.”

Lawmakers Review Unredacted Epstein Files

“Two weeks ago, for example, Mr. Trump said on social media that the United States was “decertifying” all aircraft made in Canada in retaliation for how that country handled approval of American-made private jets. His post caused widespread confusion over whether U.S. airlines, government agencies and businesses could continue using the thousands of Canadian-made planes and helicopters they have on hand. It took hours for officials to clarify that the president was referring only to new aircraft.”

Trump’s Actions Test the Fragile World of Air Travel