|
AAS
|
Alternate
Air Source
|
|
ABLJ
|
Adjustable
Buoyancy Life Jacket, horse-collar style, forerunner of the BC
|
|
AGE
|
Arterial
Gas Embolism, bubble causing obstruction to a blood vessel
|
|
AOW
|
Advanced
Open Water (PADI qualification)
|
|
ASD
|
Atrial
Septal Defect, 'Hole in Heart'
|
|
AV
|
Artificial
Ventilation (cf: EAR)
|
|
BC
|
Buoyancy
Compensator
|
|
BT
|
Bottom
Time - definition is agency dependant
|
|
CESA
|
Controlled
Emergency Swimming Ascent
|
|
CMAS
|
Conféderation
Mondiale des Activitiés Subaquatiques, International federation of
scuba organisations from a number of countries
|
|
CPR
|
Cardio-Pulmonary
Rescusitation
|
|
DCI
|
Decompression
Illness, including DCS and AGE
|
|
DCS
|
Decompression
Sickness / bends
|
|
DSMB
|
Delayed
Surface Marker Buoy, SMB which is inflated at end of dive
|
|
DV
|
Demand
Valve, usually the second stage
|
|
EANx
|
Enriched
Air Nitrox
|
|
EAR
|
Expired
Air Rescusitation (preferred term now is AV)
|
|
EAV
|
Expired
Air Ventilation
|
|
FFM
|
Full
Face Mask
|
|
IP
|
Intermediate
Pressure, i.e. the pressure between the first and second stages
|
|
NDL
|
No-Decompression
Limit
|
|
OOA
|
Out
Of Air
|
|
OWD
|
Open
Water Diver
|
|
PDC
|
Personal
Dive Computer
|
|
PFO
|
Patent
Foramen Ovale, openable flap between atria (cf: ASD)
|
|
ppO2
|
Partial
Pressure of Oxygen
|
|
RIB
|
Rigid
Inflatable Boat, solid keel and large inflated tubes
|
|
SI
|
Surface
Interval (between dives)
|
|
SMB
|
Surface
Marker Buoy, Buoy with flag (on a line to diver)
|
|
TUP
|
Time
Under Pressure, time underwater (cf: BT)
|
