This describes the essential skills and knowledge and their level required for this unit

Required Skills

conduct buddy breathing

conduct ditching drills

conduct lost buddy drills

conduct unconscious companion diver drills

fit and check CCBA NO

identify distress and illness in others at depth

inspect and prepare CCBA NO

monitor CCBA NO equipment and gauges

recover and clear mask and mouthpiece

refurbish CCBA NO postdive

Required Knowledge

CCBA NO dive equipment characteristics and limitations

CCBA NO characteristics and limitations

dive physics

dive physiology and medicine

general occupationaldiving safety awareness

hazards of nitrox

marine animal threats

marine hazards

oceanography

relevant references and Australian Standards

safe operating ranges for airsupplies

Critical aspects for assessment and evidence required to demonstrate competency in this unit

Assessment must confirm the ability to

arrange for others to check equipment

conduct inwater checks

conduct inwater checks

handle nonfunctional equipment items

handle nonfunctional equipment items

implement contingency and emergency drills such as

buddy breathing

ditching drills

unconscious companion diver drills

maintain equipment during the dive

prepare equipment for the dive including charging of cylinders

recover and clear mask and mouthpiece

refurbish equipment postdive

refurbish equipment postdive

safely enter and exit the water appropriate to the launch platform equipment and conditions

switch from primary to the reserve air system

Consistency in performance

Competency will be demonstrated over a minimum of dives with the diver diving to a depth not greater than m using CCBA NO in open water that includes the following requirements

day and night

oceans

seas lakes and rivers

subsurface conditions

subsurface conditions:

a range of surface and subsurface hazards

a range of surface and subsurface hazards

current knots

temperature degrees

visibility metre

Table below outlines the minimum dives required by this Unit of Competency

Table

Context of and specific resources for assessment

Context of assessment

Competency will be assessed in the ocean over a range of oceanic diurnal and nocturnal environments supported by questioning on shore or aboard vessels

When practicable assessment should relate to the divers vocational focus

Specific resources for assessment

Access to a complete range of CCBA NO diving safety and accessory equipment

Open water environment may include:

Associated equipment includes:

Protective equipment may include:

CCBA (N2O2) includes:

Operator level maintenance may include:

Dive contingencies may include: