approach chart

简明释义

进出港海图

英英释义

例句

1.The approach chart provides critical information for pilots during the final stages of landing.

在着陆的最后阶段，进场图为飞行员提供了关键信息。

2.In case of bad weather, the approach chart indicates alternate landing procedures.

在恶劣天气的情况下，进场图指示备用着陆程序。

3.Studying the approach chart helps new pilots understand the landing procedures.

学习进场图帮助新飞行员理解着陆程序。

4.Each airport has its own unique approach chart tailored to its specific runways.

每个机场都有其独特的进场图，专门针对其特定的跑道。

5.Before landing, the pilot reviewed the approach chart to ensure a safe descent.

在着陆之前，飞行员查看了进场图以确保安全下降。

作文

An approach chart is an essential tool used in aviation to ensure the safe and efficient landing of aircraft. These charts provide pilots with vital information regarding the necessary procedures to follow when approaching an airport, including altitudes, headings, and navigational aids. Understanding how to read and utilize an approach chart is crucial for any pilot, as it directly impacts flight safety and operational efficiency.The primary purpose of an approach chart is to guide pilots during the final stages of flight, specifically when they are preparing to land. Each chart contains detailed information about the specific approach procedure for a given runway at an airport. This includes the minimum altitudes that must be maintained, the recommended flight paths, and the locations of various navigational aids such as VORs (VHF Omnidirectional Range) and NDBs (Non-Directional Beacons). Moreover, the charts also indicate any potential obstacles in the vicinity of the airport, which is critical for avoiding accidents during the landing phase.To effectively use an approach chart, pilots must first familiarize themselves with its layout. Typically, these charts are divided into several sections, each providing different types of information. The top portion usually displays the name of the airport, the runway being approached, and the type of approach (e.g., precision or non-precision). Below this, there are detailed instructions on how to execute the approach, including the initial approach fix, intermediate segments, and the final approach segment.One of the most important aspects of an approach chart is the depiction of the vertical profile. This profile illustrates the altitude requirements at various points along the approach path, ensuring that pilots maintain safe heights above ground level and avoid terrain. Additionally, the chart may include visual references that aid in the transition from instrument flight to visual flight, which is particularly useful when conditions allow for a visual landing.In practice, before beginning an approach, pilots will review the relevant approach chart to ensure they understand the procedure they will be executing. They will check the weather conditions, assess their aircraft's performance capabilities, and make any necessary adjustments to their flight plan. This preparation is critical, as it allows pilots to anticipate any challenges they may face during the approach and landing phases.Furthermore, the importance of an approach chart extends beyond just individual pilots. Air traffic controllers also rely on these charts to provide clearances and instructions to pilots, ensuring that the airspace around airports remains safe and organized. By understanding the procedures outlined in the charts, controllers can efficiently manage multiple aircraft approaching an airport simultaneously, reducing the risk of collisions and enhancing overall air traffic management.In conclusion, the approach chart is a fundamental component of aviation navigation and safety. Its detailed instructions and information enable pilots to execute safe approaches and landings, while also assisting air traffic controllers in managing the flow of air traffic. As such, mastering the use of approach charts is an indispensable skill for any pilot, contributing significantly to the safety and efficiency of modern aviation operations.

进场图是航空中用于确保飞机安全高效降落的重要工具。这些图表为飞行员提供了关于在接近机场时需要遵循的必要程序的关键信息，包括高度、航向和导航辅助设施。理解如何阅读和利用进场图对任何飞行员来说都是至关重要的，因为这直接影响到飞行安全和操作效率。进场图的主要目的是在飞行的最后阶段，特别是在准备降落时，引导飞行员。每张图表都包含有关特定机场某条跑道的具体进场程序的详细信息。这包括必须保持的最低高度、推荐的飞行路径以及各种导航辅助设施的位置，如VOR（甚高频全向信标）和NDB（无方向信标）。此外，图表还指示了机场周围的潜在障碍物，这对于避免在降落阶段发生事故至关重要。要有效使用进场图，飞行员首先必须熟悉其布局。通常，这些图表分为几个部分，每个部分提供不同类型的信息。顶部通常显示机场名称、正在进场的跑道以及进场类型（例如，精密或非精密）。在此之下，有关于如何执行进场的详细说明，包括初始进场固定点、中间段和最终进场段。进场图最重要的方面之一是垂直剖面的描绘。该剖面说明了沿进场路径各个点的高度要求，确保飞行员在地面上保持安全高度，避免地形。此外，图表可能包括视觉参考，这有助于在仪表飞行转为目视飞行时，特别是在条件允许进行目视着陆时。在实践中，在开始进场之前，飞行员会查看相关的进场图以确保他们理解将要执行的程序。他们会检查天气状况，评估飞机的性能能力，并根据需要调整飞行计划。这种准备至关重要，因为它使飞行员能够预见在进场和着陆阶段可能面临的挑战。此外，进场图的重要性不仅限于个别飞行员。空中交通管制员也依赖这些图表向飞行员提供许可和指示，确保机场周围的空域保持安全有序。通过理解图表中概述的程序，管制员可以有效管理多个同时接近机场的飞机，从而降低碰撞风险，提高整体空中交通管理。总之，进场图是航空导航和安全的基本组成部分。其详细的指令和信息使飞行员能够安全地执行进场和着陆，同时也帮助空中交通管制员管理空中交通流量。因此，掌握使用进场图的技能对于任何飞行员来说都是不可或缺的，显著提升了现代航空运营的安全性和效率。