Boeing has grounded the of its 737 Max aircraft after week's fatal Ethiopian Airlines . Two 737 Max's have crashed in five months. In October, a from Indonesia crashed. Aviation say the circumstances are . Investigators have the black from Ethiopia and will study their to find reasons for the crash. The USA's aviation said it was clear the Ethiopian Airlines and Lion Air flights behaved very .
Boeing hopes the 737 Max is a part of its future. It has received 5,000 for the aircraft and has delivered 371. The grounding has seen its value drop by $26 billion. Boeing's president said: "We are doing ...to understand the of the accidents, deploy enhancements, and help ensure this does not happen ." Boeing said that it "continues to have full in the of the 737 Max".