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| 目视下降点 (非精确直线进近程序的最后进近路线上的一点。假如建立了所需的目视参考，从这一点，可以开始从最低决断高度 (MDA)到跑道接地点的正常下降。V𝒹ₚ 通常是通过导航定位点识别的。在安装目视进近下滑道指示器 (Uₐₛᵢ)的地方，U𝒹ₚ 位于 Uₐₛᵢ 的最低下滑道与最低 MDA 相交处。在没有安装 Uₐₛᵢ 的地方，Vdp 位于 MDA 处的最终进近航线的点上) | |||
| English thesaurus | |||
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| A defined point on the final approach course of a nonprecision s/c straight-in approach procedure from which normal descent from the minimum descent altitude MDA to the runway touchdown point may be commenced, provided the approach threshold of that runway, or approach lights, or other markings identifiable with the approach end of that runway are clearly visible to the pilot | |||
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| VDP | |||
