| Acronym | Meaning |
 | SCUDA | Self Contained Underwater Drinking Apparatus. Product That Can Be Used To Drink Underwater. |
| TO | Training Officer (BSAC) |
| RIB | Rigid-Hulled Inflatable Boat |
| CMAS | Confederation Moniale Des Activities Subaquatiques |
| GMDSS | Global Maritime Distress And Safety System |
| AOW | Advanced Open Water |
| NAUI | National Association Of Underwater Instructors |
| OW | Open Water Certification; First Certification Level. |
| ITC | Instructor Training Course (BSAC) |
| OWIC | Open Water Instructor Course (BSAC) |
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