![FATIII Aviation on Twitter: ".@CSAIRGlobal is now conducting the first 737 MAX test flight since the grounding. A significant step for 737 MAX in China. China Southern is the largest operator of FATIII Aviation on Twitter: ".@CSAIRGlobal is now conducting the first 737 MAX test flight since the grounding. A significant step for 737 MAX in China. China Southern is the largest operator of](https://pbs.twimg.com/media/FJl7oSwaUAESBDc.jpg:large)
FATIII Aviation on Twitter: ".@CSAIRGlobal is now conducting the first 737 MAX test flight since the grounding. A significant step for 737 MAX in China. China Southern is the largest operator of
![File:China Southern Airlines Boeing 737-800; B-5155@HKG;31.07.2011 614gm (6053146220).jpg - Wikimedia Commons File:China Southern Airlines Boeing 737-800; B-5155@HKG;31.07.2011 614gm (6053146220).jpg - Wikimedia Commons](https://upload.wikimedia.org/wikipedia/commons/a/af/China_Southern_Airlines_Boeing_737-800%3B_B-5155%40HKG%3B31.07.2011_614gm_%286053146220%29.jpg)
File:China Southern Airlines Boeing 737-800; B-5155@HKG;31.07.2011 614gm (6053146220).jpg - Wikimedia Commons
![China Southern completes Boeing 737 MAX test flight; Hong Kong gives green light to 737 MAX - ChinaTravelNews China Southern completes Boeing 737 MAX test flight; Hong Kong gives green light to 737 MAX - ChinaTravelNews](https://www.chinatravelnews.com/images/202201/2d68d05d7e944733.jpg)