Recreational diving courses Open Water Diver (OWD)* Diver beginner * Diving to a depth of 20 mENTER Advanced Open Water Diver (AOWD)** Advanced diver* Diving to a depth of 30 mENTER Experience Diver (ED)*** Experienced diver*** Diving to a depth of 40 mENTER Scuba diving paramedic (SDP) Diver paramedic (SDP)ENTER Rescue Diver (RD) Diver lifeguard (RD)ENTER Divemaster (DM)**** Chief diver (DM)ENTER Possible continuity of individual course
