Watch a Boeing analyst break down the implications of the Ethopian Airlines crash

Aviation authorities remain at the site of an Ethiopian Airlines plane that crashed southeast of the country's capital, killing all 157 people on board. The Boeing 737 MAX 8 aircraft, which was bound for the Kenya, came down minutes after taking off. Sheila Kahyaoglu, aerospace and defense analyst at Jefferies, and CNBC's Phil LeBeau joins "Squawk Box" to discuss the implications of the crash for the markets.