基于AutoCAD的OAS面保护区的自动生成及障碍物评估

OAS面是在基本ILS面之上的独立的一个障碍物评价面,比使用基本ILS面评估障碍物要精确,并且评估后得到的最低超障高(OCHps)是制定精密进近最低着陆标准的最主要依据。此次基于Visual-Lisp编制的这套系统,在输入基本参数后,可以自动完成保护区的绘制,并通过点击障碍物位置,完成障碍物评估,生成所需的表格。此系统在果洛、祁连等机场的飞行程序设计中得到了很大的应用,实用性很高,减少了工作量。

The Automatical Generating of the OAS Protected Areas and Obstacle Assessment Based on AutoCAD

OAS is a set of obstacle assessment surfaces above the basic ILS surfaces, and they are more accurate than the ILS surfaces. OCHps, evaluated from OAS, is the main basis for the minimum landing criteria in precision approach. The software which is based on Visual-Lisp, can draw the protected areas automatically when the basic parameters are entered. It can assess the obstacles and generate the required form by clicking the obstacle position. The sofeware has been applied to the flight procedure design in Guo Luo, QiLian airport.