approach speed

简明释义

接近速度

英英释义

例句

1.The air traffic controller communicated the approach speed to the incoming flight.

空中交通管制员向即将降落的航班传达了接近速度。

2.The flight manual specifies the optimal approach speed for various weather conditions.

飞行手册规定了各种天气条件下的最佳接近速度。

3.If the approach speed is too high, it can lead to a hard landing.

如果接近速度过高，可能会导致硬着陆。

4.During the training session, we learned how to calculate the correct approach speed for different aircraft.

在培训课程中，我们学习了如何计算不同飞机的正确接近速度。

5.The pilot adjusted the approach speed to ensure a smooth landing.

飞行员调整了接近速度以确保平稳着陆。

作文

In aviation, the term approach speed refers to the speed at which an aircraft descends towards the runway for landing. This speed is critical for ensuring a safe and stable approach to landing. Pilots must calculate the appropriate approach speed based on various factors such as aircraft weight, wind conditions, and runway length. A proper understanding of approach speed is essential for pilots to execute a successful landing maneuver.When approaching an airport, pilots begin by preparing for the descent. They communicate with air traffic control to receive instructions regarding their landing sequence. During this phase, the pilots must maintain a specific approach speed to ensure that they do not stall or overshoot the runway. The approach speed is usually determined by the aircraft's specifications and is adjusted according to the current flight conditions.For example, if an aircraft is heavier due to fuel or cargo, the pilots will need to increase the approach speed. Conversely, if the aircraft is lighter, the speed can be reduced. This adjustment is crucial because flying too slowly can lead to a stall, while flying too quickly can make it difficult to control the aircraft during landing.Weather conditions also play a significant role in determining the approach speed. In windy conditions, particularly when there are strong crosswinds or headwinds, pilots may have to adjust their speed to maintain control of the aircraft. For instance, in a headwind situation, the effective speed over the ground decreases, allowing pilots to maintain a lower approach speed without risking a stall.Additionally, runway length and surface conditions can affect the required approach speed. A shorter runway may necessitate a higher speed to ensure that the aircraft can stop safely after touchdown. Similarly, if the runway is wet or icy, pilots might opt for a slightly higher approach speed to allow for better control during landing.Understanding approach speed is not only crucial for pilots but also for air traffic controllers and airline operations. Controllers must be aware of the approach speed of incoming flights to manage air traffic efficiently and ensure safe distances between aircraft. Additionally, airlines train their pilots extensively on the importance of maintaining the correct approach speed during different phases of flight, emphasizing its role in flight safety.In conclusion, the concept of approach speed is fundamental in aviation. It involves a careful balance of various factors, including aircraft weight, weather conditions, and runway characteristics. By mastering the principles surrounding approach speed, pilots can enhance their landing performance and contribute to overall flight safety. The importance of this term cannot be overstated, as it is one of the key elements that ensure a smooth and safe landing for all types of aircraft.

在航空领域，术语approach speed指的是飞机降落时朝向跑道下降的速度。这一速度对于确保安全和稳定的着陆至关重要。飞行员必须根据各种因素（如飞机重量、风速和跑道长度）计算适当的approach speed。对approach speed的正确理解对飞行员执行成功的着陆操作至关重要。在接近机场时，飞行员开始准备下降。他们与空中交通管制员沟通，以获取有关着陆顺序的指示。在此阶段，飞行员必须保持特定的approach speed，以确保他们不会失速或超出跑道。approach speed通常由飞机的规格决定，并根据当前的飞行条件进行调整。例如，如果一架飞机由于燃料或货物而变得更重，飞行员需要提高approach speed。相反，如果飞机较轻，则可以降低速度。这种调整至关重要，因为飞行过慢可能导致失速，而飞行过快则可能使飞机在着陆时难以控制。天气条件也在确定approach speed中发挥着重要作用。在多风的条件下，尤其是当有强烈的横风或迎风时，飞行员可能需要调整他们的速度以保持对飞机的控制。例如，在迎风情况下，地面上的有效速度会降低，使飞行员能够在不冒失速风险的情况下保持较低的approach speed。此外，跑道长度和表面状况也会影响所需的approach speed。较短的跑道可能需要更高的速度以确保飞机在着陆后能够安全停下。同样，如果跑道湿滑或结冰，飞行员可能会选择稍微提高approach speed以便在着陆时保持更好的控制。理解approach speed不仅对飞行员至关重要，对空中交通管制员和航空公司运营也是如此。管制员必须了解即将降落航班的approach speed，以有效管理空中交通并确保飞机之间的安全距离。此外，航空公司还对飞行员进行了广泛的培训，强调在不同飞行阶段保持正确的approach speed的重要性，强调其在飞行安全中的作用。总之，approach speed的概念在航空中是基础性的。它涉及到各种因素的微妙平衡，包括飞机重量、天气条件和跑道特性。通过掌握与approach speed相关的原则，飞行员可以提升他们的着陆表现并为整体飞行安全做出贡献。这个术语的重要性不容小觑，因为它是确保所有类型飞机平稳安全着陆的关键要素之一。