一、航空气象服务是关系飞行安全、正常和效益的重要因素气象条件不仅对飞行安全有直接的影响,也对航空运输企业的营运效益也有着至关重要的作用。随着科技的进步,飞机的性能和智能化程度都有了明显提高,从而使飞机机械事故大幅度减少,而由天气原因造成的事故比例相对增加, I. Aeronautical meteorological service is an important factor in relation to flight safety, normality and efficiency Weather conditions not only have a direct impact on flight safety, but also play an important role in the operating efficiency of air transport enterprises. With the progress of science and technology, the performance and intelligence of the aircraft have been significantly improved, so that a substantial reduction in aircraft accidents, and the proportion of accidents caused by the weather increased relative,