That's a good question and one Canada and EU are asking themselves. https://globalnews.ca/news/5072383/canada-eu-reviewing-certification-boeing-737-max/ https:

That's a good question and one Canada and EU are asking themselves. https://globalnews.ca/news/5072383/canada-eu-reviewing-certification-boeing-737-max/ https://globalnews.ca/news/5072383/canada-eu-reviewing-certi... > Canada and the European Union say they are re-examining the approval it gave Boeing 737 MAX jets, following reports of a U.S. investigation into the Federal Aviation Administration certification of the aircraft.