Airlines using Boeing's 737 Max will have to get FAA approval for pilot training programs and complete required maintenance.
What's happening to Boeing shows a ripple effect that impacts its thousands of suppliers.
Those in charge didn't necessarily understand everything about the plane's design or the safety lapses.
Air safety regulators say Boeing can start test flights of its grounded 737 Max jets.
Washington Post columnist Allan Sloan says Boeing hasn't just parceled out profit to shareholders. The company "sent it out with a fire hose."
The aircraft maker is also a space and defense company, "a huge provider of government services," one expert says.
What would happen to the economy if Ford stopped production of the F-150, for example?
Boeing Chairman David Calhoun takes over as the company's new CEO Monday.
David Calhoun takes over as CEO. But what next for Boeing?
Dennis Muilenburg's departure comes in the wake of two deadly crashes of its signature 737 MAX planes that claimed 346 lives.