All levels of ceritfied divers, e.g. Open Water Diver, Advanced Open Water Diver, Master Scuba Diver, Open Water Scuba Instructor etc.

A training dive for a certification, e.g. Open Water Diver, Advanced Open Water Diver, Master Scuba Diver, Open Water Scuba Instructor etc.

The participants may not have a certification (e.g. beginners)