| Acronym | Meaning |
 | MCS | Marine Conservation Society |
| ITC | Instructor Training Course (BSAC) |
| MOD | Maximum Operating Depth |
| GMDSS | Global Maritime Distress And Safety System |
| AI | Assistant Instructor (PADI) Advanced Instructor (BSAC) |
| NAUI | National Association Of Underwater Instructors |
| PG | Pressure Group |
| OD | Ocean Diver (BSAC) |
| AOW | Advanced Open Water |
| HSE | Health And Safety Executive |
Browse by Letter:
