When does Air China recruit a captain every year?

March to April, September to 10. Air China is the only civil airline flying the national flag in China, and it recruits captains from March to April and from September to 10 every year. The pilot-in-command of a civil airline refers to a pilot who has obtained a pilot's license for airline transport in accordance with the China Civil Aviation Regulations and is appointed as the pilot-in-command by an air transport enterprise.