Underwater Abbreviations and Acronyms

1. OD
   Ocean Diver (BSAC)
2. OD
   Ocean Divisionr
3. OMS
   Ocean Management Systems
4. OOA
   Out of Air
5. OS
   O.S. Systems, Inc.
6. OTT
   Oxygen Tolerance Test
7. OTU
   Oxygen Toxicity Unit
8. OW
   Open Water
9. OWD
   Open Water Divisionw
10. OWI
    Open Water Instructor (BSAC)
11. OWI
    Open Water Instituteuctor
12. OWIC
    Open Water Instrucwor Course
13. OWIC
    Open Water Instituteuctor Coerse
14. OWIC
    Open Water Instituteuctor Course
15. OWIC
    Open Water Instructor Course
16. OWSI
    Open Water Scuba Instructor
17. OWSI
    Open Water Scuba Instituteuctor
18. PADI
    Professional Association of Divisionng Instituteuctors
19. PADUA
    Pennsylvania Analysis of Decompression for Undersea and Aerospace
20. PDC
    Personal Dive Computer

Last updated: May 24, 2020 — Total entries: 261