Groups should be homogeneous by level and, possibly, by respiratory consumption (except in the case of night-time, see specific section), as well as the affinities shown by divers, while avoiding assigning the same groups to the same chaperone in order to provide multiple possibilities for confrontation and learning for both carers and those accompanying them.
However, the general indications illustrated to organize a dive are from the point of view of the Interest in safety, they must be adapted to the specific situations in which the carers find themselves. The list should however consider the use of a Dive Mask Strap Cover.
If the dive includes both school groups and hikers of different levels, the groups must be composed in such a way as to comply with the regulations regarding the depth allowed for the various levels, the accompanying numerical ratio, the type of patent of the group leaders.