boeing is facing new safety questions tonight over its 737 max 8. that's after 157 people died sunday on ethiopian airlines flight 302. it is the second time in less than six months that one of the planes has crashed within minutes of takeoff. a lion air boeing 737 max 8 flight went down over the java sea last october, killing 189 people. i want to bring in now cnn aviation analyst and former faa inspector david sussie. he's the author of malaysia airlines flight 370. good to see you. thank you, sir. wish it was under better circumstances of course. >> hello, don. >> take a look at this graphic from the "new york times." it is the path of every max 8 flight in just one week. and you're urging flyers to exercise caution when it comes to the boeing 737 max 8