| Acronym | Meaning |
| MSD | Master SCUBA Diver (PADI) |
| SCUDA | Self Contained Underwater Drinking Apparatus. Product That Can Be Used To Drink Underwater. |
| NAUI | National Association Of Underwater Instructors |
| DCAP | Decompression Computation And Analysis Program |
| BHA | British Hyperbaric Association |
| SI | Surface Interval |
| DCS | Decompression Sickness |
| END | Equivalent Narcotic Depth |
| GPS | Global Positioing System |
| ROV | Remotly Operated Vehicle |