| VGE | Venous Gas Embolism | - | SMS Chat and Text |
| VENTID | Vision Ears Nausea Twitiching Irritation Dizziness | - | SMS Chat and Text |
| TP | Test Pressure | - | SMS Chat and Text |
| TO | Training Officer (BSAC) | - | SMS Chat and Text |
| TNT | Total Nitrogen Time | - | SMS Chat and Text |
| TDT | Total Dive Time | - | SMS Chat and Text |
| SWP | Safe Working Pressure | - | SMS Chat and Text |
| SSI | Scuba Schools International; Diving Instruction Organization. | - | SMS Chat and Text |
| SPG | Submerssible Pressure Guage | - | SMS Chat and Text |
| SI | Surface Interval | - | SMS Chat and Text |
| SCUHA | Self-contained Underwater Heating Apparatus (urinating In Your Wet Suit). | - | SMS Chat and Text |
| SCUDA | Self Contained Underwater Drinking Apparatus. Product That Can Be Used To Drink Underwater. | - | SMS Chat and Text |
| SCUBA | Self Contained Underwater Breathing Aparatus | - | SMS Chat and Text |
| SAR | Search And Rescue/Recovery | - | SMS Chat and Text |
| SAA | Sub-Aqua Association | - | SMS Chat and Text |
| RYA | Royal Yachting Association | - | SMS Chat and Text |
| RSTC | Recreational Scuba Training Council. Organization That Sets Basic Guidelines For Scuba Diving Agencies. | - | SMS Chat and Text |
| ROV | Remotly Operated Vehicle | - | SMS Chat and Text |
| RNT | Residual Nitrogen Time | - | SMS Chat and Text |
| RIB | Rigid-Hulled Inflatable Boat | - | SMS Chat and Text |
| RDP | Recreational Dive Planner | - | SMS Chat and Text |
| RD | Rescue Diver (PADI) | - | SMS Chat and Text |
| PSI | Pounds Per Square Inch | - | SMS Chat and Text |
| PPB | Peak Performance Bouyancy | - | SMS Chat and Text |
| PP | Partial Pressure | - | SMS Chat and Text |
| PG | Pressure Group | - | SMS Chat and Text |
| PDIC | Professional Diving Instructors Corporation International; Diving Instruction Organization. | - | SMS Chat and Text |
| PADI | Professional Association Of Diving Instructors | - | SMS Chat and Text |
| OWSI | Open Water SCUBA Instructor (PADI) | - | SMS Chat and Text |
| OWIC | Open Water Instructor Course (BSAC) | - | SMS Chat and Text |
| OWI | Open Water Instructor (BSAC) | - | SMS Chat and Text |
| OW(D) | Open Water (Diver) (PADI) | - | SMS Chat and Text |
| OW | Open Water Certification; First Certification Level. | - | SMS Chat and Text |
| OD | Ocean Diver (BSAC) | - | SMS Chat and Text |
| NITROX | Any Gas Mixture Of Nitrogen And Oxygen; Though Most Commonly Used For Oxygen Mixtures Above The Normal 21 Per Cent. | - | SMS Chat and Text |
| NI | National Instructor (BSAC) | - | SMS Chat and Text |
| NAUI | National Association Of Underwater Instructors | - | SMS Chat and Text |
| NASDS | National Association Of Scuba Diving Schools; Diving Instruction Organization. | - | SMS Chat and Text |
| MSDT | Master SCUBA Diver Trainer (PADI) | - | SMS Chat and Text |
| MSD | Master SCUBA Diver (PADI) | - | SMS Chat and Text |
| MOD | Maximum Operating Depth | - | SMS Chat and Text |
| MDT | Maximum Dive Time | - | SMS Chat and Text |
| MDL | No Decompression Limit | - | SMS Chat and Text |
| MCS | Marine Conservation Society | - | SMS Chat and Text |
| MCA | Maritime And Coastguard Agency | - | SMS Chat and Text |
| LP | Low Pressure | - | SMS Chat and Text |
| LAT | Lowest Astonomical Tide | - | SMS Chat and Text |
| ITW | Instructor Training Workshop (BSAC) | - | SMS Chat and Text |
| ITS | Instructor Training Scheme (BSAC) | - | SMS Chat and Text |
| ITC | Instructor Training Course (BSAC) | - | SMS Chat and Text |
| IOC | Instructor Orientation Course (PADI) | - | SMS Chat and Text |
| IDEA | International Diving Educators Association; Diving Instruction Organization. | - | SMS Chat and Text |
| IDC | Instructor Development Course (PADI) | - | SMS Chat and Text |
| IAND | International Association Of Nitrox Divers | - | SMS Chat and Text |
| HSE | Health And Safety Executive | - | SMS Chat and Text |
| HPNS | High Pressure Nervous Syndrome | - | SMS Chat and Text |
| HP | High Pressure | - | SMS Chat and Text |
| HID | High Intensity Discharge | - | SMS Chat and Text |
| GPS | Global Positioing System | - | SMS Chat and Text |
| GMDSS | Global Maritime Distress And Safety System | - | SMS Chat and Text |
| EO | Equipment Officer (BSAC) | - | SMS Chat and Text |
| END | Equivalent Narcotic Depth | - | SMS Chat and Text |
| EFR | Emergency First Response | - | SMS Chat and Text |
| EAR | Expired Air Resuscitation | - | SMS Chat and Text |
| EAN(X) | Enriched Air Nitrox | - | SMS Chat and Text |
| DV | Demand Valve | - | SMS Chat and Text |
| DSMB | Delayed Surface Marker Buoy | - | SMS Chat and Text |
| DPV | Diver Propulsion Vehicle | - | SMS Chat and Text |
| DO | Dive Officer (BSAC) | - | SMS Chat and Text |
| DM | Dive Master (PADI) | - | SMS Chat and Text |
| DL | Dive Leader (BSAC) | - | SMS Chat and Text |
| DIR | Doing It Right | - | SMS Chat and Text |
| DIN | Deutsches Insitut Fuer Normung | - | SMS Chat and Text |
| DEMA | Diving Equipment Manufacturers Association | - | SMS Chat and Text |
| DCS | Decompression Sickness | - | SMS Chat and Text |
| DCI | Decompression Illness | - | SMS Chat and Text |
| DCAP | Decompression Computation And Analysis Program | - | SMS Chat and Text |
| DAN | Divers Alert Network | - | SMS Chat and Text |
| CNS | Central Nervous System | - | SMS Chat and Text |
| CMAS | Confederation Moniale Des Activities Subaquatiques | - | SMS Chat and Text |
| CESA | Controlled Emergency Swimming Ascent | - | SMS Chat and Text |
| CCR | Closed Circuit Rebreather | - | SMS Chat and Text |
| CAGE | Cerebral Arterial Gas Embolism | - | SMS Chat and Text |
| C-CARD | Scuba Diving Certification Card. | - | SMS Chat and Text |
| BWRAF | Buoyancy | - | SMS Chat and Text |
| BT | Bottom Time | - | SMS Chat and Text |
| BSAC | British Sub-Aqua Club | - | SMS Chat and Text |
| BHA | British Hyperbaric Association | - | SMS Chat and Text |
| BFK | Big F*cking Knife (reference To The Diver's Knife) | - | SMS Chat and Text |
| BCD | Buoyancy Control Device | - | SMS Chat and Text |
| BC | Bouyancy Compensator | - | SMS Chat and Text |
| ATA | Atmospheres Absolute | - | SMS Chat and Text |
| AOW | Advanced Open Water | - | SMS Chat and Text |
| AMDT | Adjusted Maximum Dive Time | - | SMS Chat and Text |
| AIE | Advanced Instructor Exam (BSAC) | - | SMS Chat and Text |
| AIC | Advanced Instructor Course (BSAC) | - | SMS Chat and Text |
| AI | Assistant Instructor (PADI) Advanced Instructor (BSAC) | - | SMS Chat and Text |
| AGE | Aterial Gas Embolism | - | SMS Chat and Text |
| ADT | Actual Dive Time | - | SMS Chat and Text |
| AD | Adventure Diver (PADI) Advanced Diver (BSAC) | - | SMS Chat and Text |
