Article Annexe III-18 b (art. A322-91) of the French Sports Code
Conditions for teaching trimix or heliox diving in the natural environment SPACES MINIMUM DIVER SKILLS SKILLSminimum of the person supervisingthe group MAXIMUM NUMBER OF DIVERS (not including the person supervising the group) 0 to 40 metres PE-40 + PN-C in training for PTH-40 skills E-3 + PTH-70 4 0 to 70 metres PE-60 + PTH-40 in training towards PTH-70 skills E-4 + PTH-120 4 Space from 0 to 80 metres…