Boeing Co.'s incoming boss David Calhoun faces a daunting task when he takes over as chief executive officer next year: rescuing the 737 Max while mending the company's fractured relationship with U.S. regulators. But that's just the first of the hurdles awaiting him. Calhoun, who ...

Since shortly after the dawn of the jet age, the world has followed America's lead on aviation safety. Now, in a remarkable rebuke, nations from the U.K. to Australia have rejected public reassurances from the U.S. Federal Aviation Administration and grounded Boeing's 737 Max 8. ...