On 19 March , the U.S. Secretary of Transportation , Elaine L. Chao , sent a memo to the U.S. Inspector General asking him to " proceed with an audit to compile an objective and detailed factual history of the activities that resulted in the certification of the Boeing 737-MAX 8 aircraft . " '' Flight International '' commented that the accident would likely increase unease about the Boeing 737 MAX felt in the aftermath of the Lion Air Flight 610 accident in October 2018 , which similarly occurred shortly after take-off and killed everyone aboard . Boeing shares dropped 11 % over the weekend , and as of March 23 Boeing has lost more than $ 40 billion in market value since the crash , dropping some 14 %
Lion Air Flight 610
Lion Air Flight 610
Ethiopian Airlines Flight 302