所需导航性能

所需导航性能Required Navigation Performance,RNP)是一种基于性能的导航Performance-based navigation,PBN),其使得航空器能够以特定的路径飞过两个三维空间上的点。RNP和同为性能基导航的RNAV(区域导航)的区别在于,RNP要求飞机有机载监视和告警系统,而RNAV没有这个要求。

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