The U.S. Federal Aviation Administration (FAA) is leading the effort to certify the 737 MAX's safety before it can return to service. The agency has been working closely with Boeing to address concerns about the plane's flight control software, which was implicated in both crashes.
Boeing has made several changes to the 737 MAX's software, including adding new safeguards to prevent the plane from entering a nosedive. The company has also conducted extensive flight tests to demonstrate the plane's safety.
Despite Boeing's efforts, regulators in some countries are still reluctant to allow the 737 MAX to fly again. The European Union, for example, has not yet set a date for the plane's return to service.
The decision of when to allow the 737 MAX to fly again is a complex one. Regulators need to be confident that the plane is safe, but they also need to consider the economic impact of a prolonged grounding.
Boeing has estimated that the 737 MAX grounding has cost the company more than $18 billion. The longer the plane remains grounded, the more money Boeing will lose.
Regulators are also aware of the potential for job losses if the 737 MAX is not allowed to fly again. Boeing is a major employer in the United States, and its suppliers are also located in many countries around the world.
The decision of when to allow the 737 MAX to fly again is a difficult one, but regulators need to make a decision soon. The longer the plane remains grounded, the greater the economic and political consequences.