Page 157 - PPL-engelsk 2025
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Human Performance
If you get lost in a cloud, in a panic situation you will think that where it is
brightest is up. However, this is not always the case but must be an instinct we
have developed.
2.5.2.1 Approach to uphill sloping runway
Unconsciously, you try to have the same image of the runway that you are used
to and can thereby make an approach that is too low to a runway that slopes
upwards, because you think you are higher than you are. This happens because
the brain assumes (based on experience, etc.) that the runway is like the terrain
in front. This can mean that you land too hard or before the runway.
2.5.2.2 Approach to downhill sloping runway
Conversely, a downhill runway may give the illusion of being too low, leading
to a high approach and possibly running out of runway for landing.
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Flight Theory PPL(A)(UL)/LAPL Henning Andersen, Midtjysk Flyveskole© 2025 157
