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One illusion that pilots experience in conditions of fog or mist are that objects appear to be..
  • A
    closer than they really are and this can lead to shallow approaches.
  • B
    further away than they really are and this can lead to shallow approaches.
  • C
    closer than they really are and this can lead to steep approaches.
  • D
    further away than they really are and this can lead to steep approaches.

Refer to figure.
Visual approaches over smooth water surfaces, snow-covered terrain, or flat desert often are characterized by few peripheral visual cues. These can result in a misperception of height above the surface. Daytime visual approaches with reduced visibility due to fog, rain, smoke, haze or snow can make a runway appear farther away as a result of restricted focal vision. As a consequence, one might get above the correct descent path and when he/she realizes, he/she will correct it by making a steeper approach.

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