Indonesian investigators searching for the flight recorders of crashed Lion Air flight 610 have heard transponder "pings" that could lead them to the devices, and answer questions as to why the new Boeing 737 MAX 8 went down, killing 189 people.
원문출처 : https://www.cnn.com/2018/10/31/asia/lion-air-plane-crash-intl/index.html
원문출처 : https://www.cnn.com/2018/10/31/asia/lion-air-plane-crash-intl/index.html