民航总局在2004年航空安全工作报告中明确指出:“要保持适度的训练淘汰率和待岗率。”这既是尊重训练客观规律、落实“安全第一”指导思想的具体体现,更是航空公司有效培养人才、增强市场竞争力的客观要求。由于飞行岗位对人的素质诸如“感知觉”、“思维与判断”、“空中记忆 Civil Aviation Administration of China in 2004 aviation safety work report clearly pointed out: “To maintain a moderate rate of elimination and waiting for the training rate.” This is not only respect the objective laws of training, the implementation of “safety first” concrete embodiment of the guiding ideology, but also effective airlines Objectives of Training Talents and Enhancing Market Competitiveness. As the flight post on the quality of people such as “sense of perception”, “thinking and judging”, "air memory