| Acronym | Meaning |
 | EFR | Emergency First Response |
| NI | National Instructor (BSAC) |
| DIN | Deutsches Insitut Fuer Normung |
| SCUHA | Self-contained Underwater Heating Apparatus (urinating In Your Wet Suit). |
| BFK | Big F*cking Knife (reference To The Diver's Knife) |
| EAR | Expired Air Resuscitation |
| VENTID | Vision Ears Nausea Twitiching Irritation Dizziness |
| DO | Dive Officer (BSAC) |
| SAR | Search And Rescue/Recovery |
| MSDT | Master SCUBA Diver Trainer (PADI) |
Browse by Letter:
