Federal authorities and Boeing are trying to figure out why a 737 Max 8 experienced a rare, unsafe back-and-forth roll during flight.
The oscillating motion is known as a Dutch roll, and one characteristic described by the Federal Aviation Administration is the nose of an aircraft making a figure-eight.
There were no injuries onboard Southwest Airlines flight 746 on May 25, according to the airline and a preliminary report by the FAA. The report said the crew “regained control,” and the plane safely landed.
But the aircraft suffered “substantial” damage and
→ Continue reading at CNN - Business News