经济效益是航空公司追求的目标，要达到这个目标，飞行安全尤为重要。保证飞行安全的第一要素是人，特别是飞行机组成员。加强飞行机组的培训，提高飞行机组的专业技能和综合素质，是保证飞行安全的重要基础。 然而飞行训练不但没有经济效益，而且还要投入训练经费，有些管理者 Economic efficiency is the pursuit of the goal of airlines, to achieve this goal, flight safety is particularly important. The first element to ensure flight safety is people, especially flight crew members. To strengthen the training of flight crews and improve the professional skills and overall quality of flight crews is an important basis for ensuring the flight safety. However, not only flight training without economic benefits, but also put into training funds, some managers