/Ethiopian Airlines Boss Says Stall-Prevention System Likely Activated on Crashed 737 MAX

Ethiopian Airlines Boss Says Stall-Prevention System Likely Activated on Crashed 737 MAX

ADDIS ABABA, Ethiopia—Ethiopian Airlines’ chief executive said a stall-prevention system on Boeing Co.’s 737 MAX appears to have been activated on a jet that crashed earlier this month—the first time an aviation official familiar with the flight has specifically said that the system could have been switched on during the accident.

The system, called the Maneuvering Characteristics Augmentation System, or MCAS, has been under scrutiny in another deadly 737 MAX crash last year. Tewolde Gebremariam, the Ethiopian carrier’s chief…