decision height

简明释义

决定高度

英英释义

例句

1.The training manual emphasizes the importance of knowing the decision height 决策高度 for safe landings.

培训手册强调了解决策高度对于安全着陆的重要性。

2.At decision height 决策高度, the crew must decide whether to continue the approach or go around.

在决策高度，决策高度机组必须决定是继续进近还是重新绕飞。

3.The aircraft's instruments indicated that they were below the decision height 决策高度 during the final approach.

飞机的仪器显示他们在最终进近时低于决策高度。

4.If visibility is poor at decision height 决策高度, a go-around is usually necessary.

如果在决策高度能见度较差，通常需要重新绕飞。

5.The pilot announced that they had reached the decision height 决策高度 and were preparing for landing.

飞行员宣布他们已经达到决策高度，决策高度并准备降落。

作文

In aviation, the term decision height refers to a specific altitude at which a pilot must decide whether to continue with the landing or execute a go-around. This critical point is vital for ensuring safety during the landing phase of flight. The decision height is predetermined based on various factors, including weather conditions, aircraft performance, and the type of approach being conducted. When pilots approach this altitude, they must assess the situation carefully, taking into account visibility and the position of the aircraft relative to the runway. If the runway is not visible or if the aircraft is not in a safe position to land, the pilot must make the decision to abort the landing and perform a go-around maneuver.The importance of decision height cannot be overstated. It serves as a safety net that gives pilots a clear point to evaluate their approach. For instance, during poor weather conditions where visibility is limited, the decision height becomes even more crucial. Pilots are trained to adhere strictly to this altitude, as it helps prevent accidents and ensures that they have enough time to react if something goes wrong.Moreover, different airports and runways may have varying decision heights based on their specific requirements and characteristics. For example, a runway equipped with advanced instrument landing systems may allow for a lower decision height, whereas a less equipped runway might necessitate a higher one. This variability means that pilots must be well-versed in the procedures and regulations of each airport they operate in.In addition to its technical implications, decision height also has psychological aspects. Knowing that there is a defined point at which to make a decision can provide pilots with a sense of control and confidence during the landing process. This assurance is particularly important in high-pressure situations where quick thinking and decisive action are required.Training for pilots includes simulations that incorporate decision height scenarios, allowing them to practice making these critical decisions in a controlled environment. This training is essential, as it prepares pilots for real-life situations where they must quickly assess their approach and make the best choice for the safety of everyone on board.In conclusion, the concept of decision height is integral to aviation safety. It represents a crucial moment in the landing process, guiding pilots in their decision-making. Understanding and adhering to this altitude not only enhances safety but also instills confidence in pilots as they navigate the complexities of landing an aircraft. As technology continues to advance, the parameters surrounding decision height may evolve, but its fundamental importance will always remain a cornerstone of safe aviation practices.

在航空领域，术语decision height（决策高度）指的是飞行员必须决定是继续着陆还是执行复飞的特定高度。这个关键点对于确保飞行的安全性至关重要，尤其是在着陆阶段。decision height是根据多种因素预先确定的，包括天气条件、飞机性能和所进行的进近类型。当飞行员接近这一高度时，他们必须仔细评估情况，考虑能见度和飞机相对于跑道的位置。如果跑道不可见或飞机处于不安全的着陆位置，飞行员必须决定中止着陆并执行复飞操作。decision height的重要性不容小觑。它作为一个安全网，为飞行员提供了一个明确的评估进近的时刻。例如，在能见度有限的恶劣天气条件下，decision height显得尤为重要。飞行员经过严格训练，必须严格遵守这一高度，因为这有助于防止事故的发生，并确保他们有足够的时间应对突发情况。此外，不同的机场和跑道可能具有不同的decision heights，这取决于其具体要求和特征。例如，配备先进仪表着陆系统的跑道可能允许较低的decision height，而设备较少的跑道可能需要较高的高度。这种变异性意味着飞行员必须熟悉他们操作的每个机场的程序和规定。除了技术层面的影响外，decision height还有心理方面的意义。知道有一个明确的时刻来做出决定，可以给飞行员在着陆过程中提供一种控制感和信心。这种保障在高压情况下尤为重要，因为此时需要迅速思考和果断行动。飞行员的培训包括模拟包含decision height场景的训练，使他们能够在受控环境中练习做出这些关键决策。这种训练至关重要，因为它使飞行员为真实情况做好准备，在这些情况下，他们必须快速评估自己的进近情况，并为机上所有人的安全做出最佳选择。总之，decision height的概念对于航空安全至关重要。它代表着着陆过程中一个关键的时刻，引导飞行员做出决策。理解和遵守这一高度不仅增强了安全性，还使飞行员在驾驭飞机着陆的复杂性时充满信心。随着技术的不断进步，围绕decision height的参数可能会有所变化，但其基本重要性始终是安全航空实践的基石。