Assessment must confirm the ability to prepare equipment for the dive including charging cylinders arrange for others to check equipment maintain equipment during the dive refurbish equipment postdive refurbish equipment postdive handle nonfunctional equipment items handle nonfunctional equipment items safely enter and exit the water appropriate to the launch platform equipment and conditions conduct inwater checks conduct inwater checks recover and clear mask and mouthpiece switch from primary to the reserve air system implement contingency and emergency drills such as ditching drills buddy breathing unconscious companion diver drills 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 O in open water that includes the following requirements oceans seas lakes and rivers day and night subsurface conditions subsurface conditions: current knots visibility metre temperature degrees a range of surface and subsurface hazards a range of surface and subsurface hazards. Table below outlines the minimum dives required by this Unit of Competency Table |