50m
9m - 27m
Boat
Advanced
50m
9m - 27m
Boat
Advanced
Deep
Boat
50m
9m – 27m
Advanced
21% – 23%
O213% at 48m / 24%
O2No photos yet.
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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.