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今年一月,民航总局通过了《中国民用航空高度表拨正程序和过渡高度层改革方案》,各管理局根据方案制定的原则,对本管理局内的机场飞行程序进行了修改,过渡高度层改革对飞行程序的修改有着重要的影响。根据总局《改革方案》规定,大多数机场标高较低的机场(如华东地区)过渡高度层改为3600米(QNE),过渡高度改为3000米(QNH),这本身非常简单,但在飞机运行、管制实施中将场面气压高度改为修正海平面气压高度,就会对飞行程序产生很大的影响,必须对航线手册中所有标准仪表进、离场图,仪表进近图作修改。下面以一个机场标高25米的机场来举例说明场面气压高度变为修正海平面气压高度对整个飞行程序的影响。
In January this year, the Civil Aviation Administration of China passed the “Alleviation of Civil Aviation Altimeter in China and the Transitional Tier Reform Plan”. According to the principle formulated in the plan, the Civil Aviation Authorities made changes to the airport flight procedures in this Authority and the transitional level reform The modification of the flight procedure has an important influence. According to the General Administration's “Reform Plan”, most of the airport elevation levels at the lower elevation airports (such as East China) were changed to 3,600 meters (QNE) and 3000 meters (QNH), which in itself is very simple. However, In operation and control, changing the scene pressure altitude to amending the sea level pressure altitude will have a great impact on flight procedures. All standard instrument entries, departure maps and instrument approach maps in the route manual must be modified. The following example uses an airport elevation of 25 meters to illustrate how the scene pressure altitude changes to modify the effect of sea level pressure altitude on the flight program.