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Boeing 737 MAX. Mustafa Yalcin/Anadolu Agency/Getty Images

Following 2 fatal crashes in less than 6 months, the FAA said it will issue an emergency order temporarily banning Boeing 737 MAX series aircraft from flying in the U.S., or entering its airspace.

Why it matters: The action is a retreat from the FAA's previous strategy of reaffirming the safety of the new aircraft, even as airlines and aviation regulators from dozens of countries, including Canada and the European Union, went ahead and grounded their fleets. The FAA has not grounded a new aircraft type since the Boeing 787 had a series of non-fatal lithium ion battery fires in 2013.

  • “The safety of the American people, of all people, is our paramount concern,” Trump said in advance of the ban, telling reporters the ban would be "until further notice."

A ban would affect 3 U.S. airlines that operate these aircraft: United, American and Southwest Airlines.

Details: In a statement, the FAA said it made the decision as a result of "new evidence" from the Ethiopian Airlines crash that was analyzed today.

"This evidence, together with newly refined satellite data available to FAA today, led to this decision," the FAA stated.

"The grounding will remain in effect pending further investigation, including examination of information from the aircraft's flight data recorders and cockpit voice recorders," the FAA said, declining to speculate how long the grounding will last.

FAA Administrator Daniel Elwell said "Since this accident occurred we were resolute that we would not take action until we had data," adding, "That data coalesced today ... added fidelity — missing pieces that we did not have prior to to today."

Boeing released a statement saying it remains confident in the aircraft's safety, but that it recommends a temporary suspension of operations of the global fleet of 737 MAX aircraft.

“We are supporting this proactive step out of an abundance of caution. We are doing everything we can to understand the cause of the accidents in partnership with the investigators, deploy safety enhancements and help ensure this does not happen again.”
— Boeing CEO Dennis Muilenburg

Between the lines: A suspected cause of the Lion Air crash in Indonesia on Oct. 29 is a malfunction with an automated system Boeing installed to prevent a dangerous flight condition known as a stall.

  • The system, called the maneuvering characteristics augmentation system, or MCAS, appeared to activate based on faulty readings from a flight sensor, pushing the plane's nose down repeatedly as the pilots struggled to regain control.
  • Investigators are looking to see if the Ethiopian crash, which also took place shortly after takeoff, was caused by the same system.

Read the FAA's emergency order:

Go deeper

Senate Democrats demand answers on FBI's Kavanaugh probe

Photographer: Andrew Harrer/Bloomberg via Getty Images

Senate Democrats are demanding that the FBI hand over "all records and communications" related to the FBI tip line set up to investigate Supreme Court Justice Brett Kavanaugh when he was a nominee in 2018.

Why it matters: The ask comes after the FBI revealed it received more than 4,500 tips about Kavanaugh when he was awaiting Senate confirmation amid sexual assault allegations. Only the most "relevant" of these tips were forwarded to the Trump White House.

Chip relief on the horizon

Illustration: Sarah Grillo

Good news: The worst of the chip supply crunch might be near.

The other side: Here's the bad news... CEOs say chips totally flowing like normal is still a ways out.

Trump ally Tom Barrack pays $250 million bond to get out of jail

Tom Barrack speaking at a symposium in Tokyo in March 2019. Photo: Kiyoshi Ota/Bloomberg via Getty Images

Real estate investor Tom Barrack paid a federal court a bond of $250 million to get out of jail on Friday while awaiting trial after he was arrested and charged with acting as an unregistered foreign agent for the United Arab Emirates earlier this week, AP reports.

Driving the news: A federal judge also ordered Barrack, a longtime ally of former President Trump and chair of his inaugural committee, to wear a GPS monitoring bracelet at all times and barred him from transferring funds overseas.