30m
20m - 60m
Boat
Advanced
30m
20m - 60m
Boat
Advanced
Deep, Other
Boat
30m
20m – 60m
Advanced
21% – 35%
O216% at 28m / 36%
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Location details missing.
Gradual Narcosis Onset — Narcosis may develop slowly, making self-assessment unreliable.
Task Fixation at Depth — Cognitive narrowing at depth can reduce awareness of time and ascent rate.
Increased Gas Density Breathing Load — Higher gas density at depth increases work of breathing.