| Acronym | Meaning |
| EO | Equipment Officer (BSAC) |
| AMDT | Adjusted Maximum Dive Time |
| AIC | Advanced Instructor Course (BSAC) |
| C-CARD | Scuba Diving Certification Card. |
| SWP | Safe Working Pressure |
| ADT | Actual Dive Time |
| PSI | Pounds Per Square Inch |
| SCUDA | Self Contained Underwater Drinking Apparatus. Product That Can Be Used To Drink Underwater. |
| SSI | Scuba Schools International; Diving Instruction Organization. |
| MDL | No Decompression Limit |