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Question: 1 / 460

What illusion do pilots experience when approaching a wide, long runway over water?

They feel closer than they are

They feel high on approach

They feel low when over the runway

When pilots approach a wide, long runway over water, they often experience the "ground illusion," which can lead them to perceive that they are lower than they actually are when they are directly over the runway. This can be particularly pronounced due to the lack of visual references that normally help pilots judge height, such as terrain or other objects that provide perspective.

Over water, the absence of visible cues can distort the pilot's assessment of altitude, causing them to misjudge their vertical position. This illusion can lead to flying at an incorrect height, potentially resulting in challenges during landing if the pilot does not account for the altered perception. Recognizing this phenomenon is critical, as it emphasizes the importance of relying on instruments and visual aids to maintain a proper approach profile.

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They feel a loss of control

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