Article Annexe III-18 c (art. A322-91) of the French Sports Code
Conditions for exploration diving with trimix or heliox in the natural environment SPACESof evolution SUPERVISED DIVING SCUBA DIVING Minimum skillsof supervised divers Maximum numberof the group(not including the person supervisingthe group) Competenceminimum ofthe person supervisingthe group Minimum skillsof autonomousdivers Maximum numberof divers in the group 0 to 40 metres PE-40 + PTH-40 4 E3 + PTH-40 PA-40 + PTH-40 3 Space from 0 to 70 metres PE-60 + PTH-70 4…