| Acronym | Meaning |
 | SCUBA | Self Contained Underwater Breathing Aparatus |
| IDEA | International Diving Educators Association; Diving Instruction Organization. |
| RYA | Royal Yachting Association |
| OWIC | Open Water Instructor Course (BSAC) |
| MDT | Maximum Dive Time |
| SI | Surface Interval |
| SPG | Submerssible Pressure Guage |
| IAND | International Association Of Nitrox Divers |
| MOD | Maximum Operating Depth |
| MCA | Maritime And Coastguard Agency |
Browse by Letter:
