Experts suspect an automated system, meant to stop stalling by dipping the nose, may be involved in both cases, with pilots struggling to override it as their jets plunged downwards. The March 10 Ethiopian Airlines crash has shaken the global aviation industry and cast a shadow over the flagship Boeing model intended to be a standard for decades to come, given parallels with the Lion Air calamity off Jakarta in October. Chicago-headquartered Boeing has promised a swift update of automatic flight software, but regulators in Europe and Canada want to be sure themselves, rather than rely on U.S. vetting.

Source: Indonesia crash revelations raise pressure on Ethiopia investigation