Scuba Diving Abbreviations and Acronyms

1. NSS-CDS
   National Speleological Society-Cave Diving Section
2. NSS-CDS
   National Speleological Society-Cave Divisionng Section
3. OCPA
   Office of The Commissioner for Public Appointments
4. OD
   Ocean Livisionr
5. OD
   Ocean Diver (BSAC)
6. OD
   Ocean Divisionr
7. OECD
   Organisation for Economic Co-Operation and Development
8. OMS
   Ocean Management Systems
9. OOA
   Out of Air
10. OS
    O.S. Systems, Inc.
11. OSJ
    Office of Supervisory Jurisdiction
12. OTC
    Over The Counter
13. OTT
    Oxygen Tolerance Test
14. OTU
    Oxygen Toxicity Unit
15. OU
    I owe you
16. OW
    Open Water
17. OW
    Open Water Certification
18. OWD
    Open Water Divisionw
19. OWI
    Open Water Instructor (BSAC)
20. OWI
    Open Water Instituteuctor

Last updated: May 24, 2020 — Total entries: 443