Indonesian investigators said on Monday more training was needed for Boeing 737 MAX pilots after discovering the situation believed to have faced the crew of a doomed Lion Air jet was not contained in the aircraft's flight manual.
The comments shed further light on the areas under scrutiny as investigators prepare to publish their preliminary report on Nov. 28 or 29, one month after the Lion Air Boeing 737 MAX dived into the Java Sea, killing all 189 on board.
Until now, public attention has focused mainly on potential maintenance problems, including a faulty sensor for the angle of attack, a vital piece of data needed to help the aircraft fly at the right angle to the currents of air and prevent a stall.