| Acronym | Meaning |
| DCAP | Decompression Computation And Analysis Program |
| DEMA | Diving Equipment Manufacturers Association |
| PADI | Professional Association Of Diving Instructors |
| AAS | Alternate Air Source |
| VENTID | Vision Ears Nausea Twitiching Irritation Dizziness |
| SPG | Submerssible Pressure Guage |
| MDL | No Decompression Limit |
| MDT | Maximum Dive Time |
| IOC | Instructor Orientation Course (PADI) |
| AA | Assisted Ascent |