The list of underwater acronyms and abbreviations.

All underwater related acronyms and abbreviations.

AEF:

Aqua Extreme Freedivers(Organisation, Queensland, Water)

AGE:

Arterial Gas Embolism(Scuba diving, Diving, Underwater)

0	AI:	Advanced Instructor(Scuba diving, Diving, Underwater)
0		Assistant Instructor(Scuba diving, Diving, Underwater)

AIC:

Advanced Instructor Course(Scuba diving, Diving, Underwater)

AIE:

Advanced Instructor Exam(Scuba diving, Diving, Underwater)

AISE:

Association of Independent Scuba Educators(Scuba diving, Diving)

AMDT:

Adjusted Maximum Dive Time(Scuba diving, Diving, Underwater)

ANDI:

American Nitrox Divers Incorporated(Scuba diving, Diving, Underwater)

AODC:

Association of Offshore Diving Contractors(Scuba diving, Diving)

AOW:

Advanced Open Water(Scuba diving, Diving, Underwater)

0	AP:	Absolute Pressure(Scuba diving, Diving, Underwater)
0		Ambient Pressure(Scuba diving, Diving, Underwater)

ASF:

Australian Speleological Federation(Scuba diving, Diving, Underwater)

ATA:

Atmospheres Absolute(Scuba diving, Diving, Underwater)

ATEA:

Amphibian Tank Escape Apparatus(Scuba diving, Diving, Underwater)

AUF:

Australian Underwater Federation(Scuba diving, Diving, Underwater)

AUFQ:

Australian Underwater Federation Queensland(Organisation, Queensland)

AV:

Artificial Ventilation(Scuba diving, Diving, Underwater)

Atm:

Atmosphere(Scuba diving, Diving, Underwater)

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APA	Smart Define. (2018). underwater. Retrieved September 27, 2026, from http://smartdefine.org/underwater/abbreviations/r
Chicago	Smart Define. 2018. "underwater" http://smartdefine.org/underwater/abbreviations/r (accessed September 27, 2026).
Harvard	Smart Define 2018, underwater, Smart Define, viewed 27 September, 2026, <http://smartdefine.org/underwater/abbreviations/r>.
MLA	Smart Define. "underwater" 12 January 2018. Web. 27 September 2026. <http://smartdefine.org/underwater/abbreviations/r>

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