Iowa, United States
35m
8m - 23m
Shore
Beginner
Iowa, United States
35m
8m - 23m
Shore
Beginner
Night, Muck, Ice
Shore
35m
8m – 23m
Beginner
21% – 31%
O214% at 33m / 33%
O2No photos yet.
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Landmark Misidentification — Familiar sites can become unrecognisable at night.
Light-Induced Tunnel Vision — Focused light beams reduce peripheral awareness.
Depth Perception Errors — Reduced ambient light increases depth perception mistakes.
Navigation Ambiguity — Lack of reference points makes exits harder to relocate.
Unnoticed Depth Drift — Featureless terrain can cause slow, unnoticed depth changes.
Camouflaged Hazardous Species — Hazardous marine life may remain unnoticed until very close.
Misleading Line Tension — Line tension changes can give false cues about exit direction.
Cold-Induced Gas Consumption — Cold stress increases breathing rate and gas usage.
Reduced Failure Tolerance — Minor equipment issues escalate rapidly due to cold and dexterity loss.
