10.8. Spatial Disorientation. Pilots are much more susceptible to spatial disorientation at night than during the day. Normal visual cues that would help pilots control descend rates or establish proper glide slope are absent which could have negative effects (e.g., hard landings, controlled flight into terrain, etc.). See FAA-H-8083-15B, for detailed information on causes and hazards of spatial disorientation.

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