The same day, regulators in the European Union, India, Australia, Singapore, and Canada followed China’s lead in grounding the MAX. Boeing and the slow-to-act FAA looked isolated in a new era of airline safety, one in which other countries no longer deferred to America for guidance. “What we’re looking at here is almost a rebellion against the FAA,” said Sandy Morris, an aerospace analyst at Jefferies International in London. “It’s the first time I’ve ever seen this happen.”

