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一、RNAV概念为适应灵活的航路结构,使航路能有更大的容量,减少航班飞行的延误,国际民航组织(ICAO)提出了区域导航(RNAV)的概念。按照国际民航组织对RNAV的定义:区域导航是一种导航方法,允许飞机在台基导航设备的基准台覆盖范围内或自主导航设备能力限度内或两者配合下按任何希望的飞行路径运行。与传统导航方式下,飞机按照地基系统构成的直线段逐台飞越,渐次推进飞抵目的地不同,区域导航是将机载计算机或称为飞行管理系统(FMS)与导航系统紧密结合,计算出飞机的绝对位置并转化为航线坐标来实施导航。二、RNAV的特点和效益区域导航的主要特点是摆脱了地基导航台站的束缚,可以根据实际情况实施机动飞行,即可以选用
I. THE CONCEPT OF RNAV In order to adapt to a flexible route structure, to allow more capacity on the route and to reduce flight delays, ICAO proposed the concept of Regional Navigation (RNAV). In accordance with ICAO’s definition of RNAV: Area navigation is a method of navigation that allows an aircraft to operate in any desired flight path within the coverage of a base station of a base-based navigation device or within the capabilities of the autonomous navigation device or both. Compared with traditional navigation methods, the aircraft flew over the straight line segments formed by the foundation system and gradually propelled to fly to different destinations. Regional navigation was a combination of onboard computer or flight management system (FMS) and navigation system to calculate The absolute position of the aircraft and converted into route coordinates to implement navigation. Second, the characteristics and benefits of RNAV The main feature of regional navigation is to get rid of the shackles of the foundation navigation station, you can implement the maneuver based on the actual situation, that is, you can use