The U.S. National Transportation Safety Board (NTSB) is helping the Civil Aviation Administration of China investigate what caused the crash of flight MU5735. For more on the NTSB's role in the investigation, CGTN's You Yang talks with a senior captain who has flown the 737-series aircraft for more than 25 years.
Copyright © 2020 CGTN. Beijing ICP prepared NO.16065310-3