FAA chief to test out changes to Boeing 737 Max software in simulator

The new head of the Federal Aviation Administration is planning to test out Boeing’s software changes to its beleaguered 737 Max planes in a simulator this week, he said Monday.

The 737 Max has been grounded since mid-March after two fatal crashes within five months of one another. Investigators implicated flight-control software that repeatedly pushed the nose of the planes down in both air disasters, which claimed 346 lives.

Boeing’s CEO, Dennis Muilenburg, has said that the manufacturer expects to formally submit its changes to the plane and training this month and that the planes will be cleared to fly by early in the fourth quarter of the year.

He acknowledged last week that aviation regulators may not all agree when to allow the planes to fly again.

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