The global standoff over the airworthiness of Boeing Co.’s 737 Max jet intensified as U.S. regulators reiterated their support for the aircraft, even after the European Union and other authorities issued blanket bans.
Investigators are still trying to understand why an Ethiopian Airlines 737 Max 8 crashed near Addis Ababa on March 10, killing 157 people, less than five months after an identical Lion Air plane plunged into waters off Indonesia.
