| Standards | Surface Diver | Confined Environment Diver | Junior OW Sport Diver (1) | Open Water Sport Diver (1) | Advanced Open Water Sport Diver (1) |
| Age Limit | 4-8 years | 8-12 years | 12-16 years | 16 + | 16 + |
| Max Course Depth | N/A | 6 m | 15 m | 18 m | 30 m |
| Min Course Depth |
N/A | 2 m | 6 m | 9 m | 15 m |
| Min Dive Depth for Certification | N/A | N/A | 3 m | 6 m | 9 m |
| Theory Time | 1 Hour | 10 Hours incl. exams & evaluation |
16 Hours incl. exams & evaluation |
16 Hours incl. exams & evaluation | LSU + 3 Hours selected specialties |
| # of OW Dives | OW dives NOT permited | OW dives NOT permited |
5* | 5* | 10* |
| Confined Eav. Time | N/A | 12-16 Hours | 12-16 Hours | 12-16 Hours | optional |
| OW Bottom Time | N/A | N/A | 80 min | 80 min | 200 min |
| OW Run Time | N/A | N/A | 100 min | 100 min | 240 min |
| In Water Training Supervision | ASI +CDM per 4 | OWI per 4 + 4 with ASI |
OWI per 4 + 4 with ASI |
OWI per 4 + 4 with ASI |
OWI per 4 + 4 with ASI |
| Certification Depth Limit | N/A | 6 m | 20 m | 30 m | 40 m |
| Required Buddy | None | Parent/Legal Guardian or ASI | Parent/Legal Guardian or family member 18+ years | OWD | OWD |
| * - Courses may be conducted with Air or SafeAir |
| 1 - see Instructor proced for specific for the dives |
| Note that Junior ratings are offered for LSU, CSU, OWD and AOW. |