| Acronym | Meaning |
| BFK | Big F*cking Knife (reference To The Diver's Knife) |
| GPS | Global Positioing System |
| SAR | Search And Rescue/Recovery |
| SI | Surface Interval |
| SPG | Submerssible Pressure Guage |
| SCUHA | Self-contained Underwater Heating Apparatus (urinating In Your Wet Suit). |
| MSD | Master SCUBA Diver (PADI) |
| PDIC | Professional Diving Instructors Corporation International; Diving Instruction Organization. |
| SCUDA | Self Contained Underwater Drinking Apparatus. Product That Can Be Used To Drink Underwater. |
| ITW | Instructor Training Workshop (BSAC) |