U.S. regulators on Sunday said certain Boeing-made jets would remain grounded until deemed safe to fly again, as authorities conduct a search near Portland, Oregon for a missing panel that blew off a new Boeing 737 MAX 9 jet during a flight on Friday. The U.S. Federal Aviation Administration (FAA) on Saturday grounded 171 Boeing jets installed with the same panel after the emergency landing of the plane that had been in service for just eight weeks. "They will remain grounded until the FAA is satisfied that they are safe," the agency said in a statement on Sunday.
