| Acronym | Meaning |
| AGE | Aterial Gas Embolism |
| DL | Dive Leader (BSAC) |
| AD | Adventure Diver (PADI) Advanced Diver (BSAC) |
| MDT | Maximum Dive Time |
| RSTC | Recreational Scuba Training Council. Organization That Sets Basic Guidelines For Scuba Diving Agencies. |
| HSE | Health And Safety Executive |
| IOC | Instructor Orientation Course (PADI) |
| BFK | Big F*cking Knife (reference To The Diver's Knife) |
| SCUBA | Self Contained Underwater Breathing Aparatus |
| SI | Surface Interval |