Boeing Design Among Many Problems That Led to Lion Air Crash (4)

Indonesian investigators found scores of problems and missteps in connection with last year’s fatal Lion Air crash, ranging from design flaws in Boeing Co.’s 737 Max airplane to certification failures by the U.S. regulator and pilot errors.

In a much-anticipated report released Oct. 25, the National Transportation Safety Committee listed its findings and recommended fixes to Boeing, Lion Air and aviation authorities in the U.S. and Indonesia. A significant amount of the focus centered on a flight-control feature called the Maneuvering Characteristics Augmentation System, which has also been implicated in an Ethiopian Airlines crash in March.

The extent that ...