FILE - Passengers wait for their flight as a China Eastern flight takes off from the runway of Baiyun Airport on Friday, March 25, 2022, in southern China's Guangzhou province. The National Transportation Safety Board said the team departed for China on Friday, April 1, to participate in the Civil Aviation Administration of China’s investigation of the March 21 crash of a China Eastern Airlines Boeing 737-800 in which all 132 people on board were killed. (AP Photo/Ng Han Guan, File)