Ethiopian Airlines CEO promises to find out why flight 302 crashed

Planemaker Boeinghas come under intense scrutiny since the crash was the second in five months involving its new 737 MAX 8 model."Despite the tragedy, Boeing and Ethiopian Airlines will continue to be linked well into the future," he said."We pledge to work with Boeing and our colleagues in all the airlines to make air travel even safer."Boeing's 737 MAX fleet has been grounded worldwide since the crash, wiping $28 billion off the company's market value and throwing doubt over advance orders of